{"title":"Residential RO Systems - 75-100 GPD","description":"\u003cp\u003eResidential RO Systems - 75-100 GPD: Purify drinking water with reverse osmosis, removing dissolved solids, lead, fluoride and most other contaminants.\u003c\/p\u003e\u003cp\u003eThis collection has 9 products from brands including Nelsen Corporation, Pentair and Micro Filter Co., Ltd, priced from $557 to $948. Shipping is free anywhere in the USA.\u003c\/p\u003e\u003cp\u003eNot sure which one fits your system? Call us at 813-897-9971 or email watersoftenerplus@gmail.com with your model or a photo of the label, and we will match the right part.\u003c\/p\u003e","products":[{"product_id":"twist-loc-ro-75-quick-twist-loc-75-gpd-ro-system-m9hr-4asn-ne-00","title":"75 GPD Quick Twist \u0026 Loc Residential RO System — TWIST-LOC-RO-75, Quick Twist \u0026 Loc 75 gpd RO System, M9HR-4ASN-NE-00","description":"\u003cp\u003e\u003cstrong\u003eEfficient Residential RO System for Cleaner, Safer Water – Quick Twist \u0026amp; Loc 75 GPD RO System\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eExperience the difference with the TWIST-LOC-RO-75, a cutting-edge residential RO system designed to deliver reliable, high-quality water purification. This system addresses common water contaminants with precision, making it an ideal choice for homeowners seeking efficient water treatment solutions. Engineered for ease and durability, this Quick Twist \u0026amp; Loc 75 GPD RO System ensures your water is consistently clean and safe for daily use.\u003c\/p\u003e\n\n\u003ch2\u003eKey Benefits\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eProvides up to 75 gallons per day of purified water to meet typical household needs\u003c\/li\u003e\n  \u003cli\u003eQuick twist \u0026amp; loc design enables fast, hassle-free filter changes, reducing maintenance time\u003c\/li\u003e\n  \u003cli\u003eRemoves a wide range of contaminants including sediments, chlorine, and dissolved solids for better taste and safety\u003c\/li\u003e\n  \u003cli\u003eCompact and lightweight, fitting easily into tight residential spaces without compromising performance\u003c\/li\u003e\n  \u003cli\u003eEnhances overall water softener system efficiency by delivering pre-treated water\u003c\/li\u003e\n  \u003cli\u003eDurable construction ensures long-lasting performance with minimal downtime\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow It Works\u003c\/h2\u003e\n\u003cp\u003eThe TWIST-LOC-RO-75 employs reverse osmosis technology to purify water by forcing it through a semi-permeable membrane, effectively filtering out impurities, chemicals, and unwanted minerals. As part of your residential water treatment setup, it works downstream of pre-filters to ensure maximum contaminant reduction while maintaining optimal flow rates.\u003c\/p\u003e\n\u003cp\u003eThe quick twist \u0026amp; loc mechanism simplifies filter replacement, enabling users to maintain system efficiency without the need for specialized tools or technical expertise. This design innovation supports consistent water quality without interruption.\u003c\/p\u003e\n\n\u003ch2\u003eWhat to Expect\u003c\/h2\u003e\n\u003cp\u003eUpon installation, you will notice an immediate improvement in water clarity and taste, with a significant reduction in odors and sediment presence. Over the first few days and weeks, the system stabilizes to provide a steady flow of purified water at its rated capacity of 75 gallons per day.\u003c\/p\u003e\n\u003cp\u003eWith routine maintenance aligned to the quick twist \u0026amp; loc design, filter changes are straightforward, helping preserve long-term system reliability. Expect consistent performance with minimal effort, ensuring your household water remains clean and refreshing.\u003c\/p\u003e\n\n\u003ch2\u003eWhat’s Inside\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eReverse Osmosis Membrane – Core filtration component that removes dissolved solids and contaminants\u003c\/li\u003e\n  \u003cli\u003ePolypropylene Filter Housing – Durable casing that protects internal parts and supports quick twist \u0026amp; loc functionality\u003c\/li\u003e\n  \u003cli\u003ePre-Filter Cartridge – Captures sediments and chlorine to extend membrane life\u003c\/li\u003e\n  \u003cli\u003eQuick Twist \u0026amp; Loc Connectors – Enable easy installation and filter replacement without leaks\u003c\/li\u003e\n  \u003cli\u003eBrass Fittings and Tubing – Ensure secure, corrosion-resistant water connections throughout the system\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eShut off your main water supply before installation.\u003c\/li\u003e\n  \u003cli\u003eMount the system securely near your water source, ensuring easy access for future maintenance.\u003c\/li\u003e\n  \u003cli\u003eConnect the inlet and outlet tubing using the quick twist \u0026amp; loc fittings, confirming tight seals.\u003c\/li\u003e\n  \u003cli\u003eFlush the system according to the manufacturer’s instructions to remove any initial impurities.\u003c\/li\u003e\n  \u003cli\u003eReplace filters as indicated, twisting off the old cartridge and snapping in a new one effortlessly.\u003c\/li\u003e\n  \u003cli\u003eResume water flow and check for leaks to ensure proper operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eWhy Choose This Product\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eBuilt with high-quality components designed for durability and consistent performance in residential settings\u003c\/li\u003e\n  \u003cli\u003eSupported by Water Softener Plus, a trusted vendor specializing in reliable water treatment solutions\u003c\/li\u003e\n  \u003cli\u003eEngineered to integrate seamlessly with existing water softener and filtration systems\u003c\/li\u003e\n  \u003cli\u003eLightweight and compact, making it ideal for homes with limited installation space\u003c\/li\u003e\n  \u003cli\u003eUser-friendly design reduces maintenance complexity and downtime\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFAQ \u0026amp; Safety\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs the TWIST-LOC-RO-75 compatible with all residential water softener systems?\u003c\/strong\u003e\u003cbr\u003eYes, it is designed to integrate smoothly with most standard residential water softener setups, enhancing overall water quality.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow often should I replace the filters?\u003c\/strong\u003e\u003cbr\u003eFilter replacement frequency depends on water quality and usage but typically ranges between 6 to 12 months; the quick twist \u0026amp; loc design makes this process simple.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I install this system myself?\u003c\/strong\u003e\u003cbr\u003eYes, the system is designed for easy DIY installation with clear instructions and tool-free connections.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat maintenance does the system require?\u003c\/strong\u003e\u003cbr\u003eRegular filter changes and occasional system flushing are recommended to maintain optimal performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the system safe for drinking water?\u003c\/strong\u003e\u003cbr\u003eThe TWIST-LOC-RO-75 effectively reduces common contaminants, improving water safety and taste when used as part of a residential water treatment plan.\u003c\/p\u003e\n\n\u003cp\u003eUpgrade your system reliability today—add the TWIST-LOC-RO-75 Quick Twist \u0026amp; Loc 75 GPD RO System to your cart and keep your water flowing clean and consistent for your home.\u003c\/p\u003e","brand":"Micro Filter Co., Ltd","offers":[{"title":"Default Title","offer_id":44819830833205,"sku":"780851339797","price":563.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/4950\/2261\/files\/twist-loc-ro-75-r1200.jpg?v=1789612176"},{"product_id":"aqua-classic-100-gpd-ro","title":"Aqua Classic 100 GPD RO","description":"\u003cp\u003eThe Aqua Classic 100 GPD reverse osmosis system (ACI-TLC-100) is a high-output, three-stage under-sink RO unit built to deliver up to 100 gallons of purified drinking water per day. Designed for the residential kitchen, it combines reverse osmosis membrane filtration with carbon and sediment treatment and includes a faucet package for a complete point-of-use installation right where the water is used most.\u003c\/p\u003e\u003cp\u003eReverse osmosis works by forcing pressurized water through a semipermeable membrane that rejects dissolved solids, leaving cleaner, better-tasting water for drinking and cooking. The Aqua Classic's higher 100 GPD membrane rating means faster recovery of the storage tank, a welcome feature for busy households that draw frequently from the dedicated faucet and want minimal wait between glasses.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRO model: Aqua Classic\u003c\/li\u003e\n\u003cli\u003eDaily flow rate: 100 GPD\u003c\/li\u003e\n\u003cli\u003eFiltration stages: 3\u003c\/li\u003e\n\u003cli\u003eIncludes: faucet package\u003c\/li\u003e\n\u003cli\u003eConfiguration: under-sink point-of-use system\u003c\/li\u003e\n\u003cli\u003eShipping weight: approximately 24.1 lbs each\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe classic blue-housing design is a familiar, serviceable layout that makes routine filter changes straightforward for homeowners and installers alike, with cartridges that are easy to access beneath the sink. With three stages of treatment leading up to and through the RO membrane, the system reduces a broad range of dissolved contaminants that affect taste and quality, delivering crisp, clean water at the tap.\u003c\/p\u003e\u003cp\u003eThe included faucet package provides the dedicated tap and connections needed to dispense treated water without mixing it with the main supply. For lasting performance, replace the sediment and carbon pre-filters on schedule to protect the membrane from chlorine and particulate, and sanitize the system periodically to keep it fresh. The Aqua Classic 100 GPD is a strong fit for households wanting plenty of high-quality drinking water without sacrificing the simplicity of a compact under-sink system, balancing high output with easy ownership.\u003c\/p\u003e\u003cp\u003eSized for the typical kitchen, the unit mounts beneath the sink and connects to the cold-water supply, with the dedicated faucet drilled into the sink deck or countertop for treated water. For families that go through a lot of filtered water and want a recognizable, easy-to-service design, the Aqua Classic 100 GPD is a proven high-output choice that keeps clean drinking water flowing.\u003c\/p\u003e","brand":"Nelsen Corporation","offers":[{"title":"Default Title","offer_id":45668714381365,"sku":"ACI-TLC-100","price":775.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/4950\/2261\/files\/aci-tlc-r1200.jpg?v=1789592497"},{"product_id":"aqua-classic-gro-75-gpd-ro-system","title":"Aqua Classic GRO-75 GPD RO System","description":"\u003cp\u003eThe Aqua Classic GRO-75 Reverse Osmosis System (ACII-GRO-75) features a Pentair GRO-75 GPD membrane, a high-efficiency RO element designed to deliver excellent purified-water production while reducing the amount of water sent to drain. This four-stage under-sink system ships with a faucet package and is built for homeowners who want strong daily output paired with better water efficiency in a single package.\u003c\/p\u003e\u003cp\u003eThe Pentair GRO (Green Reverse Osmosis) membrane is engineered to improve the ratio of treated water to wastewater compared with conventional RO elements, an increasingly valued feature for environmentally conscious households and for regions where water use is a concern. Rated at 75 GPD, it refills the storage tank quickly while running more efficiently than a standard membrane of similar output, helping reduce overall water consumption.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRO model: Aqua Classic II GRO\u003c\/li\u003e\n\u003cli\u003eMembrane: Pentair GRO-75 GPD high-efficiency element\u003c\/li\u003e\n\u003cli\u003eDaily flow rate: 75 GPD\u003c\/li\u003e\n\u003cli\u003eStages: 4\u003c\/li\u003e\n\u003cli\u003eIncludes: faucet package\u003c\/li\u003e\n\u003cli\u003eShipping weight: approximately 31 lbs each\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eReverse osmosis works by pressing water through a semipermeable membrane that rejects dissolved solids, and the GRO element does this while improving recovery so less water goes down the drain. The four-stage Aqua Classic II layout adds sediment and carbon treatment before and after the membrane for cleaner, better-tasting results, and the included faucet package completes the under-sink installation with a dedicated tap.\u003c\/p\u003e\u003cp\u003eAs with all RO systems, replacing the pre-filters on schedule protects the membrane from chlorine and particulate and sustains both quality and efficiency over time. Because the GRO membrane's efficiency advantage depends on proper system condition, keeping the filters fresh is especially worthwhile here. For households that want generous output, refined taste, and a more water-efficient design that reduces waste, the Aqua Classic GRO-75 with its Pentair membrane is a standout, forward-looking choice.\u003c\/p\u003e\u003cp\u003eMounted under the sink and connected to the cold-water supply, the system pairs the efficient Pentair GRO membrane with the dependable Aqua Classic II housing layout for easy long-term ownership. For eco-conscious households that want generous 75 GPD output while sending less water to the drain, this Aqua Classic GRO-75 is a smart, future-minded reverse osmosis choice.\u003c\/p\u003e\n\u003ch3\u003eGreat-tasting water at the tap\u003c\/h3\u003e\u003cp\u003eThis reverse-osmosis system delivers clean, bottled-quality drinking and cooking water from a dedicated faucet, with easy cartridge changes down the road. If you would like help confirming fit under your sink or choosing replacement filters on a schedule, our team is here. Ships free in the US with manuals, and Filter Club can keep your cartridges arriving automatically so quality never slips.\u003c\/p\u003e","brand":"Nelsen Corporation","offers":[{"title":"Default Title","offer_id":45668715331637,"sku":"ACII-GRO-75","price":709.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/4950\/2261\/files\/aqua-classic-gro-75-gpd-ro-system-hires-r1200.jpg?v=1789592817"},{"product_id":"aqua-classic-ii-100-gpd-ro-w-postfilte","title":"Aqua Classic II 100 GPD RO w\/ Postfilte","description":"\u003cp\u003eThe Aqua Classic II 100 GPD RO System (ACII-TLC-100) delivers high-volume reverse osmosis purification with a dedicated post-filter for a clean, polished finish. Rated at 100 gallons per day across four stages, it is built for households that draw heavily on their drinking water and want both fast tank recovery and refined taste from a compact under-sink system.\u003c\/p\u003e\u003ch3\u003eFour-stage treatment\u003c\/h3\u003e\u003cp\u003eWater passes through sediment and carbon pre-treatment to protect the RO membrane, then through the semipermeable membrane that removes a broad range of dissolved solids. A final post-filter stage polishes the stored water just before it reaches the faucet, removing any residual taste or odor it may have picked up while sitting in the tank, for a crisp, fresh result in every glass.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRO model: Aqua Classic II\u003c\/li\u003e\n\u003cli\u003eDaily flow rate: 100 GPD\u003c\/li\u003e\n\u003cli\u003eStages: 4, including post-filter\u003c\/li\u003e\n\u003cli\u003eOptions: post filter for final polishing\u003c\/li\u003e\n\u003cli\u003eUnder-sink point-of-use configuration\u003c\/li\u003e\n\u003cli\u003eShipping weight: approximately 26 lbs each\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe Aqua Classic II platform retains the line's serviceable design, making routine cartridge changes straightforward for homeowners and installers with easy-access housings beneath the sink. The high 100 GPD membrane rating keeps the storage tank topped up even during heavy use, so there is rarely a wait, while the post-filter ensures the water tastes fresh right up to the moment it is dispensed.\u003c\/p\u003e\u003cp\u003eTo maintain consistent quality, replace the sediment, carbon, and post-filter cartridges on schedule so the membrane stays protected and the polishing stage stays effective. The post-filter in particular is what guarantees that stored water reaches the tap tasting clean, so it should not be overlooked at change time. For larger families or anyone who wants maximum output combined with a clean, finished taste, the Aqua Classic II 100 GPD with post-filter is a capable, well-balanced reverse osmosis solution.\u003c\/p\u003e\u003cp\u003eInstalled beneath the sink and tied into the cold-water line, the system delivers freshly polished RO water through its dedicated faucet, with the post-filter ensuring nothing in the tank dulls the taste. For larger families that want maximum output paired with a clean, finished flavor, the Aqua Classic II 100 GPD with post-filter is a high-capacity workhorse for the kitchen.\u003c\/p\u003e","brand":"Nelsen Corporation","offers":[{"title":"Default Title","offer_id":45668715495477,"sku":"ACII-TLC-100","price":628.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/4950\/2261\/files\/acii-tlc-r1200.jpg?v=1789592507"},{"product_id":"booster-ro-sys-100-gpd-w-faucet-pkg","title":"Booster RO Sys.\/100 GPD w\/Faucet Pkg","description":"\u003cp\u003eBooster RO Sys.\/100 GPD w\/Faucet Pkg.\u003c\/p\u003e\u003cp\u003ePart #: ACP-TLC-100.\u003c\/p\u003e","brand":"Nelsen Corporation","offers":[{"title":"Default Title","offer_id":45668716576821,"sku":"ACP-TLC-100","price":947.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/4950\/2261\/files\/twist-loc-ro-75_593e6fed-ecf4-443f-9163-5f273633dd7a-r1200.jpg?v=1789612185"},{"product_id":"aqua-elite-100-gpd-ro","title":"Aqua Elite 100 GPD RO","description":"\u003cp\u003eThe Aqua Elite 100 GPD Reverse Osmosis System (AEI-TLC-100) is a high-output, three-stage under-sink RO unit that produces up to 100 gallons of purified drinking water per day and ships with a faucet package. The Aqua Elite line offers a modern take on residential reverse osmosis, delivering strong daily output for households that draw heavily on their drinking water and want minimal wait between glasses.\u003c\/p\u003e\u003cp\u003eReverse osmosis purifies by forcing pressurized water through a semipermeable membrane that rejects a broad range of dissolved solids, leaving fresher, cleaner-tasting water at the tap. With its 100 GPD membrane, the Aqua Elite refills the storage tank quickly, making it well suited to busy kitchens and larger families that draw frequently for drinking, cooking, and beverages throughout the day.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRO model: Aqua Elite\u003c\/li\u003e\n\u003cli\u003eDaily flow rate: 100 GPD\u003c\/li\u003e\n\u003cli\u003eStages: 3\u003c\/li\u003e\n\u003cli\u003eIncludes: faucet package\u003c\/li\u003e\n\u003cli\u003eUnder-sink point-of-use configuration\u003c\/li\u003e\n\u003cli\u003eShipping weight: approximately 25.08 lbs each\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe three-stage layout combines sediment and carbon pre-treatment with the RO membrane to reduce contaminants that affect taste and quality, with the pre-treatment stages protecting the membrane from chlorine and particulate. The included faucet package completes the installation with a dedicated tap and fittings, so the system is ready to use once mounted beneath the sink.\u003c\/p\u003e\u003cp\u003eThe Aqua Elite design keeps filter servicing manageable for homeowners and installers alike, with accessible cartridges. As with any reverse osmosis system, replacing the pre-filters on schedule protects the membrane and sustains output quality, and periodic sanitizing keeps the system fresh. Because the pre-filters take on chlorine and sediment that would otherwise reach the membrane, timely changes directly extend membrane life. For households that want abundant, high-quality drinking water from a compact under-sink unit, the Aqua Elite 100 GPD is a capable, high-volume choice.\u003c\/p\u003e\u003cp\u003eMounted under the sink and connected to the cold-water supply, the system serves its dedicated faucet so only your drinking and cooking water is purified. For busy kitchens and larger families drawn to the modern Aqua Elite styling, the high-output 100 GPD model keeps a generous supply of clean, fresh water ready whenever it is needed.\u003c\/p\u003e\n\u003ch3\u003eHigher output for busy kitchens\u003c\/h3\u003e\u003cp\u003eWith increased daily production, this reverse-osmosis system suits households that draw more filtered water for drinking, cooking, and coffee. We can help you confirm the install fits your space and set up scheduled replacement filters so performance stays consistent. Ships free in the US with manuals and knowledgeable support whenever you need it.\u003c\/p\u003e\u003c!--rel-sys-v1--\u003e\u003cdiv class=\"related-systems\"\u003e\n\u003ch3\u003eRelated Systems \u0026amp; Configurations\u003c\/h3\u003e\n\u003cp\u003eComparing options? These related commercial water-treatment systems are frequently viewed alongside this one:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/aqua-classic-100-gpd-ro\"\u003eAqua Classic 100 GPD RO\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/aqua-elite-ii-100-gpd-ro-w-postfilter\"\u003eAqua Elite II 100 GPD RO w\/ Postfilter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/aqua-classic-ii-100-gpd-ro-w-postfilte\"\u003eAqua Classic II 100 GPD RO w\/ Postfilte\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/aqua-classic-gro-75-gpd-ro-system\"\u003eAqua Classic GRO-75 GPD RO System\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Nelsen Corporation","offers":[{"title":"Default Title","offer_id":45668718346293,"sku":"AEI-TLC-100","price":579.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/4950\/2261\/files\/aei-tlc-r1200.jpg?v=1789592553"},{"product_id":"aqua-elite-gro-75-gpd-ro-system","title":"Aqua Elite GRO-75 GPD RO System","description":"\u003cp\u003eAqua Elite GRO-75 GPD RO System.\u003c\/p\u003e\u003cp\u003ePart #: AEII-GRO-75.\u003c\/p\u003e","brand":"Nelsen Corporation","offers":[{"title":"Default Title","offer_id":45668720541749,"sku":"AEII-GRO-75","price":564.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/4950\/2261\/files\/comm_ro_sys.jpg?v=1782703997"},{"product_id":"aqua-elite-ii-100-gpd-ro-w-postfilter","title":"Aqua Elite II 100 GPD RO w\/ Postfilter","description":"\u003cp\u003eFor larger households or anyone who simply wants purified water on tap faster, the Aqua Elite II 100 GPD Reverse Osmosis System doubles the production of standard residential units. This four-stage system from Water Softener Plus pushes up to 100 gallons of treated water per day and finishes with a dedicated post-filter that polishes the water just before it reaches your glass, ensuring crisp, clean taste at the faucet every single time you pour.\u003c\/p\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis high-output system suits busy families, frequent entertainers, and homes with heavy daily water demand for drinking, brewing coffee, cooking, and making ice. The 100 GPD membrane keeps the storage tank topped off even during periods of intense use, so you rarely run out between refills. It's also a great choice for households that have found a smaller RO unit simply can't keep pace with how much filtered water they go through.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAqua Elite II membrane rated at 100 gallons per day\u003c\/li\u003e\n\u003cli\u003eFour-stage filtration with inline post-filter\u003c\/li\u003e\n\u003cli\u003eFinal-stage post-filter for fresh taste and odor control\u003c\/li\u003e\n\u003cli\u003eIncludes FRO storage tank for on-demand water\u003c\/li\u003e\n\u003cli\u003eApproximate shipping weight: 27.86 lbs\u003c\/li\u003e\n\u003cli\u003eStandard under-sink installation on the cold water supply\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eReverse osmosis systems like this one work by sending pressurized water through sediment and carbon pre-filters, then across a high-rejection membrane that removes the bulk of dissolved solids. The treated water is held in the storage tank until you open the faucet, at which point it passes through the post-filter for a final cleanup. Maintenance is simple and predictable: swap the pre-filters and post-filter on a regular schedule and replace the membrane as needed. With its generous output and proven Aqua Elite II core, this is a reliable workhorse for homeowners who refuse to compromise on drinking water quality or quantity.\u003c\/p\u003e\u003cp\u003eHigh-output systems like the Aqua Elite II 100 GPD also recover the storage tank faster after heavy draws, which matters when you're filling pots, pitchers, and pet bowls back to back. If your home has a refrigerator or ice maker you'd like to feed from purified water, this unit's generous production makes it a sensible source. As with any RO system, water temperature and incoming pressure affect real-world output, so warmer feed water and adequate pressure will help the membrane reach its rated daily volume.\u003c\/p\u003e","brand":"Nelsen Corporation","offers":[{"title":"Default Title","offer_id":45668720640053,"sku":"AEII-TLC-100","price":912.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/4950\/2261\/files\/aeii-tlc-r1200.jpg?v=1789592590"},{"product_id":"freshpoint-ro-4-stage-75-gpd","title":"Freshpoint RO, 4 Stage, 75 GPD","description":"\u003cp\u003eClean, great-tasting drinking water at the kitchen sink is what the \u003cstrong\u003ePentair FreshPoint 4-Stage Reverse Osmosis System\u003c\/strong\u003e is built to deliver. Producing up to 75 gallons per day, this under-counter RO unit combines multiple stages of filtration with a high-output membrane to reduce a broad range of dissolved and particulate contaminants from your tap water. For households tired of the cost and plastic waste of bottled water, a dedicated RO system at the sink offers an on-demand source of purified water for drinking, cooking, coffee, tea, and crystal-clear ice.\u003c\/p\u003e\u003cp\u003eA four-stage reverse osmosis configuration typically pairs sediment and carbon pre-filtration with a semipermeable RO membrane and a final polishing filter. The early stages capture sediment and reduce chlorine taste and odor, which also protects the delicate membrane from damage. The membrane then removes dissolved solids at the molecular level, and the final stage polishes the stored water just before it reaches your glass, ensuring fresh flavor with every pour.\u003c\/p\u003e\u003ch3\u003eDesigned for everyday under-sink use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFour-stage filtration anchored by a 75 GPD reverse osmosis membrane\u003c\/li\u003e\n\u003cli\u003eHigh daily output suited to busy household kitchens\u003c\/li\u003e\n\u003cli\u003eReduces dissolved solids, sediment, and chlorine taste and odor\u003c\/li\u003e\n\u003cli\u003eCompact under-counter footprint for the cabinet beneath your sink\u003c\/li\u003e\n\u003cli\u003eWorks with a storage tank and dedicated faucet for on-demand water\u003c\/li\u003e\n\u003cli\u003eBacked by Pentair's long reputation in residential water treatment\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRoutine maintenance keeps an RO system performing its best. Sediment and carbon pre-filters are generally replaced on an annual schedule, the post filter follows a similar cadence, and the RO membrane lasts considerably longer when protected by fresh pre-filtration. Installation fits the standard under-sink cabinet, connecting to the cold water supply, a drain saddle, and a dedicated drinking water faucet. With consistent filter changes, the FreshPoint provides your family with reliable, high-quality purified water year after year, turning your existing kitchen tap into a steady source of clean, refreshing water without the recurring expense of bottles.\u003c\/p\u003e\u003cp\u003eFor homes on chlorinated municipal water or a treated well supply, an RO system like this also serves as a final polishing step that captures dissolved solids other filters leave behind. The combination of high daily output and multi-stage treatment makes it a practical centerpiece for a kitchen that depends on consistently clean water for drinking and food preparation.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":45668814651445,"sku":"GRO-475B","price":557.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/4950\/2261\/files\/freshpoint-ro-4-stage-75-gpd-hires-r1200.jpg?v=1789603091"}],"url":"https:\/\/checkout.watersoftenerplus.com\/collections\/residential-ro-systems-75-100-gpd.oembed","provider":"Water Softener Plus","version":"1.0","type":"link"}