Top 10 Reverse Osmosis System Filter – Replacement Under-Sink Water Filters

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1. EXPRESS WATER

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14 x 15 x 5, Express Water RO5DX Reverse Osmosis Filtration NSF Certified 5 Stage RO System with Faucet and Tank – Under Sink Water Plus 4 Filters – 50 GPD, White

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EXPRESS WATER #ad - On demand support: support from experts who can answer any of your questions about your new water filter. Reverse osmosis water filter: experience what water should taste like with the Express Water reverse osmosis water filtration system reducing up to 99. 99% of lead, nitrates, fluoride, Calcium, Chlorine, Arsenic, and more.

Under sink water filter: don’t waste money on professional installation. Leak detection: each under sink water filter includes an emergency leak stop detector that shuts off water flow when it detects unwelcomed moisture. Customizable ro water filter system: express water home water filtration systems are fully upgradable and customizable with quick connecting fittings. All our water filters are specially engineered to work together, producing the safest and best tasting water you’ll ever drink. Under sink water filter system: no need to mess with refilling or activating your water filter, Express Water’s water filtration systems automatically fill your water tank with high quality drinking water.

Express water’s quick and easy-to-understand design means you can install and understand everything about your new water filtration system. Love your water - environmentally friendly coconut carbon filters give unequalled quality and a clear natural taste. Try additional filtration attachments including UV Water Filter, Deionization Water Filter, Alkaline Water Filter, and more. Help has arrived - support from experts who can answer any of your questions about your home’s water.
BrandEXPRESS WATER #ad
ManufacturerExpress Water #ad
Height18.06 Inches
Length16.18 Inches
Weight11.8 Pounds
Width18.75 Inches
Part NumberRO5DX
ModelRO5DX

2. iSpring

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7 Count Pack of 1, iSpring F7-GAC for Standard 5-Stage Reverse Osmosis RO Systems 1-Year Replacement Supply Filter Cartridge Pack Set

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iSpring #ad - Updated ft15 post-carbon filters are built with a secure push-fit quick connection, which allows faster filter replacement. If you have trouble installing the filters, please refer to the user manual or contact us.

7 pieces of 10" x 2. 5" replacement water filters included: 2x sediment filters, 2x granular activated carbon filters, 2x carbon block filters, and 1x post-carbon filter. Enjoy crystal clear ice cubes, fresher tea and coffee, safe, healthier baby formula – even better than most bottled water. Experience clean, better tasting foods, and good-tasting water every time you turn on the faucet. Individually wrapped 1-year high capacity filter replacement cartridge pack for most standard 5-stage RO systems. This filter pack does NOT include an RO membrane.
BrandiSpring #ad
ManufactureriSpring #ad
Height10 Inches
Length2.5 Inches
Weight1 Pounds
Width2.5 Inches
Part NumberF7RO
ModelF7RO

3. EXPRESS WATER

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Sediment SED Filters – 10 inch Size Water Filters, ACB, Carbon GAC, PAC Filters, Express Water – 3 Year Reverse Osmosis System Replacement Filter Set – 23 Filters with 50 GPD RO Membrane

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EXPRESS WATER #ad - Fully ¼” quick connect compatible. Pre-carbon filter: activated carbon Block and Granular Activated Carbon block water filters protect your system from chlorine damage and remove volatile organic chemicals. Reverse osmosis membrane: the ro membrane is specially designed with density graded layers of filtration to filter the hardest to remove contaminants like dissolved solids, microplastics, Heavy Metals, fluoride, and more.

Reverse osmosis filter replacement set: each Express Water replacement filter is specially designed to work together and compliment each other. On demand support: support from experts who can answer any of your questions about your replacement water filters. Sediment water filter: keep the most damaging sediments out of your drinking water and protect your other filters from coarse contaminants including rust, sand, dirt and silt. Replacement water filter life cycle: replace sediment filter, Granular Activated Carbon, Activated Carbon Block every 6 Months.

Water purification system: drink the healthiest water on Earth. Post-carbon water filter: as the final stage of filtration in your system, this activated carbon water filter removes any remaining contaminants while enhancing the flavor of drinking water. Replace reverse osmosis Membrane and Post Activate Carbon once a year. All water filters are specially engineered to work together, producing the safest and best tasting water you’ll ever drink. Reverse osmosis replacement water filters: Experience what water should taste like with the Express Water reverse osmosis water filtration system removing up to 99.
BrandEXPRESS WATER #ad
ManufacturerExpress Water Incorporated #ad
Weight19.11 Pounds
Part NumberFLTSETS6C6G6I3M502
ModelFLTSETS6C6G6I3M502

4. APEC Water Systems

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APEC Water Systems FILTER-MAX-ES50 50 GPD High Capacity Complete Replacement Filter Set For Essence Series Reverse Osmosis Water Filter System Stage 1-5

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APEC Water Systems #ad - 5th stage standard capacity coconut shell carbon filter removes any last residuals. 4th stage high rejection tfc reverse osmosis membrane removes a wide range of contaminants. 1st stage 5 micron sediment filter to remove dust, particles and rust. Apec roes-50 complete replacement filter set, compatible with most 10" standard under the counter reverse osmosis water systems. 2nd and 3rd stage 10 micron extruded carbon block filter to remove chlorine, taste and odor.
BrandAPEC Water Systems #ad
ManufacturerAPEC Water Systems #ad
Height6 Inches
Length12 Inches
Weight3.5 Pounds
Width10 Inches
Part NumberFILTER-MAX-ES50
ModelFILTER-MAX-ES50

5. APEC Water Systems

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APEC Water Systems ROES-50 Essence Series Top Tier 5-Stage Certified Ultra Safe Reverse Osmosis Drinking Water Filter System

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APEC Water Systems #ad - Comes with all parts and industry's best instructions and videos for an easy DIY experience. Feed water pressure 40-85 psi. Wqa certified to provide unlimited clean, refreshing crisp tasting water superior to bottled water.

System comes with 100% lead-free designer faucet, plus certified JG food grade tubing and parts to provide safe, contamination-free pure water. Pipe size: 1/4 inches. High quality leak-free quick connect fittings require no extra lock clips to seal leak - not relying on water leak detector to protect your home like other brands. Premium long-lasting filters remove up to 99% of contaminants such as chlorine, arsenic, lead, VOCs, as well as toxic fluoride, odor, taste, nitrates, heavy metals and 1000+ contaminants.2

2 year extended manufacturer warranty is available upon registration. Supreme quality - designed, engineered, and assembled in USA to guarantee water safety & your health. Max total dissolved Solids - 2000 ppm. America's no. 1 rated water filter brand with 20 years of success guaranteeing trouble free, noise-free system for long lasting, dependable, pure drinking water.
BrandAPEC Water Systems #ad
ManufacturerAPEC Water Systems #ad
Height17.5 Inches
Length16 Inches
Weight25 Pounds
Width5.25 Inches
Part NumberROES-50-A
ModelROES-50
Warranty1 Year APEC

6. iSpring

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NSF Certified 75 GPD, 6-Stage Reverse Osmosis System, iSpring RCC7AK, pH+ Alkaline Remineralization RO Water Filter System Under Sink, Superb Taste Drinking Water Filter

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iSpring #ad - 0 or below because the RO membrane removes not only harmful pollutants but also a few helpful minerals. Easy to install & no leaks - the water purifier is designed for do-it-yourself installation and all necessary parts for installation are included. 0001 microns; fine gac filter to provide final polishing to the purified water and AK filter to finally restore just the right proportion of healthy minerals and a natural alkaline balance.

100% satisfied customers - rcc7ak from america’s favorite brand of under sink water filter is the highly rated reverse osmosis systems. Three extra long life pre-filters to remove large contaminants and protect RO membrane. For leak-free installation, instructional videos, simply push tubing ½ inch deep into quick-fitting connectors and lock; no threading pipes needed. Comes with 1-year limited manufacturer warranty upon registration and lifetime personalized support from GA, USA, combined with premium quality components, this water filter is to deliver endless bottled quality drinking water right in your home for many years to come, eliminating plastic waste.

Backed by clear installation manual, and access to life-time technical support. The entire alkaline water filter fits nicely under a kitchen sink. Certified to nsf/ansi 58, calcium, lead removes up to 98%, 000 harmful contaminants like chlorine, 6-stage alkaline remineralization Layered Filtration - Exclusively designed to restore the natural alkalinity and mineral balance of water; this reliable and ultra-safe Reverse Osmosis RO water filtration system converts your water into clean, pure and healthy drinking water by removing up to 99% of over 1, asbestos, fluoride, arsenic, sodium and more. Low maintenance - transparent 1st stage housing for easy visual inspection.
BrandiSpring #ad
ManufactureriSpring #ad
Height19.5 Inches
Length15.5 Inches
Weight20 Pounds
Width5.1 Inches
Part NumberRCC7AK
ModelRCC7AK
Warranty1 year manufacturer limited warranty

7. APEC Water Systems

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APEC Water Systems Filter-Set US Made Double Capacity Replacement Stage 1-3 for Ultimate Series Reverse Osmosis System, Standard , White

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APEC Water Systems #ad - 1st stage polypropylene sediment filter to remove dust, particles, and rust. Apec ultimate high capacity pre-filter set is USA made and built to last 2x longer than other brands. 2nd & 3rd stage extruded carbon block filters to remove chlorine, taste & odor. Compatible with apec ro-45, ro-90, ro-ph90, ro-perm, ro-hi, ro-pump, wfs-1000 and all other standard size under counter reverse osmosis systems.
BrandAPEC Water Systems #ad
ManufacturerAPEC Water Systems #ad
Height4.8 Inches
Length11.5 Inches
Weight2 Pounds
Width9.3 Inches
Part NumberFILTER-SET
ModelFILTER-SET

8. APEC WATER

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Chrome Faucet, APEC Water Systems RO-90 Ultimate Series Top Tier Supreme Certified High Output 90 GPD Ultra Safe Reverse Osmosis Drinking Water Filter System

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APEC WATER #ad - Provides you the ultimate satisfaction and peace of mind with our lifetime support and 2 year manufacturer warranty with registration. Save money, bottled water. Simple and organized, RO-90 is designed to make identifying and replacing filters intuitive and easy.

Large super capacity filters deliver 2X contaminant removing capacity for fewer filter change outs compared to smaller all-in-one filters that clog up quickly. Enjoy unlimited ultra-fresh, clean, time and hassle of buying costly, great tasting water right at home. Comes with 100% lead-free designer faucet, contamination-free pure water. The original, plus jg food grade tubing to provide safe, top-notch JG Quick Connect fittings for easy and secure leak-seal.

Tested and certified by wqa to remove up to 99% of contaminants including arsenic, fluoride, chlorine, lead, heavy metals, virus and 1000+ contaminants. Designed, engineered and assembled in USA, RO-90 is the most durable system in the industry to guarantee water safety & your health.
BrandAPEC WATER #ad
ManufacturerAPEC Water Systems #ad
Height17.5 Inches
Length16 Inches
Weight25 Pounds
Width5.25 Inches
Part NumberRO-90
ModelRO-90

9. APEC WATER

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APEC Water Systems ROES-PH75 Essence Series Top Tier Alkaline Mineral pH+ 75 GPD 6-Stage Certified Ultra Safe Reverse Osmosis Drinking Water Filter System

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APEC WATER #ad - System comes with 100% lead-free designer faucet, contamination-free pure water. This 75 gpd 6-stage system roes-ph75 is guaranteed to remove up to 99% of contaminants such as chlorine, odor, taste, as well as toxic fluoride, arsenic, VOCs, lead, nitrates, heavy metals and 1000+ contaminants.

Supreme quality - designed, engineered and assembled in USA to guarantee water safety & your health. Premium long lasting filters used to treat tap/well water. 2 year extended manufacturer warranty with registration. System comes with all parts and industry's best instructions and videos for an easy DIY experience. Feed water pressure 40-85 psi. Enjoy ultra-pure drinking water with added calcium minerals for improved ALKALINITY and great taste.

High quality leak-free quick connect fittings require no extra lock clips to seal leak, plus JG Food grade tubing and parts to provide safe, and does not rely on water leak detector to protect your home like other brands. Provide unlimited clean drinking water. Max total dissolved Solids - 2000 ppm. Us made cartridge uses food-grade calcium from trusted source for safe, proven water pH enhancement. America's no.
BrandAPEC WATER #ad
ManufacturerAPEC Water Systems #ad
Height17.5 Inches
Length16 Inches
Weight27 Pounds
Width5.25 Inches
Part NumberROES-PH75
ModelROES-PH75

10. Membrane Solutions

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Reverse Osmosis Filter Replacement, Membrane Solutions 75 GPD Complete Replacement Filter Set For Under Sink 5-Stage Reverse Osmosis Replacement Water Filter System

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Membrane Solutions #ad - Fits most standard under-sink 5 or 6 stage reverse osmosis water filter system, PuROLine, iSpring, Premier, Watts, APEC, Crystal Quest, compatible with Express Water, Global Water, Flowmatic, Watts, Puromax etc. High adsorption capacity - filtration rating of 5 micron, garden, cooking, healthier water whether for drinking, 75 GPD 5 Stage water filter replacement cartridges can effectively remove 99% of contaminants.

Easy installation - inline carbon filter built-in 1/4 inch JG quick connections in both two ends of the filter. 100% safe filter - our high capacity filter replacement cartridge with NSF42 Certified and ISO9001:2015 certificated ensure your drinking water safe. Standard universal filter - universal 10 inch cartridge.

Which provides safer, aquarium, showering, etc. Packing list - high capacity water filter set included 5 pieces of cartridge: 1x sediment filters, 1x 75 gpd RO membrane, 1x granular activated carbon filters, 1x carbon block filters, and 1x inline carbon filter. Food-grade materials give your more safe water. Individually wrapped and Drop-in cartridge design allows for quick and easy filter change.
BrandMembrane Solutions #ad
ManufacturerMembrane Solutions Corp #ad
ModelMS4-RO75