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

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1. 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 - 4th stage high rejection tfc reverse osmosis membrane removes a wide range of contaminants. Apec roes-50 complete replacement filter set, compatible with most 10" standard under the counter reverse osmosis water systems. 1st stage 5 micron sediment filter to remove dust, particles and rust. 5th stage standard capacity coconut shell carbon filter removes any last residuals. 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

2. 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 - Pipe size: 1/4 inches. Comes with all parts and industry's best instructions and videos for an easy DIY experience. Wqa certified to provide unlimited clean, engineered, refreshing crisp tasting water superior to bottled water.

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. Feed water pressure 40-85 psi. System comes with 100% lead-free designer faucet, plus certified JG food grade tubing and parts to provide safe, contamination-free pure water. Supreme quality - designed, and assembled in USA to guarantee water safety & your health.

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. 2 year extended manufacturer warranty is available upon registration. Premium long-lasting filters remove up to 99% of contaminants such as chlorine, taste, VOCs, as well as toxic fluoride, lead, odor, arsenic, nitrates, heavy metals and 1000+ contaminants.
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

3. 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. All our water filters are specially engineered to work together, producing the safest and best tasting water you’ll ever drink. Express water’s quick and easy-to-understand design means you can install and understand everything about your new water filtration system.

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. 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, arsenic, nitrates, Fluoride, Calcium, Chlorine, and more. Love your water - environmentally friendly coconut carbon filters give unequalled quality and a clear natural taste.

Help has arrived - support from experts who can answer any of your questions about your home’s water. Water purification system: drink the healthiest water on Earth. Under sink water filter: don’t waste money on professional installation. Try additional filtration attachments including UV Water Filter, Alkaline Water Filter, Deionization Water Filter, and more. Customizable ro water filter system: express water home water filtration systems are fully upgradable and customizable with quick connecting fittings.
BrandEXPRESS WATER #ad
ManufacturerExpress Water #ad
Height18.06 Inches
Length16.18 Inches
Weight11.8 Pounds
Width18.75 Inches
Part NumberRO5DX
ModelRO5DX

4. iSpring

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

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iSpring #ad - 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. The ispring rcc7ak reverse osmosis water filter includes an additional 6th stage - an Alkaline Remineralization filter which restores healthy minerals and produces a balanced alkalinity, which gives your water a more natural taste than regular 5 stage RO water filter.

Ultra fine ro filter to remove contaminants down to 0 Backed by clear installation manual, and access to life-time technical support. 0 or below because the RO membrane removes not only harmful pollutants but also a few helpful minerals. For leak-free installation, instructional videos, simply push tubing ½ inch deep into quick-fitting connectors and lock; no threading pipes needed. Three extra long life pre-filters to remove large contaminants and protect RO membrane. Certified to nsf/ansi 58, 000 harmful contaminants like chlorine, asbestos, lead removes up to 98%, calcium, pure and healthy drinking water by removing up to 99% of over 1, fluoride, 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, arsenic, sodium and more.

Easy to install & no leaks - the water purifier is designed for do-it-yourself installation and all necessary parts for installation are included. The end result is great-tasting bottled-water quality. Comes with 1-year limited manufacturer warranty upon registration and lifetime personalized support from GA, USA, this water filter is to deliver endless bottled quality drinking water right in your home for many years to come, combined with premium quality components, eliminating plastic waste.
BrandiSpring #ad
ManufactureriSpring #ad
Height19.5 Inches
Length15.5 Inches
Weight20 Pounds
Width5.1 Inches
Part NumberRCC7AK
ModelRCC7AK
Warranty1 year manufacturer limited warranty

5. EXPRESS WATER

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EXPRESS WATER UV Reverse Osmosis Water Filtration System – 11 Stage UV Water Filter with Faucet and Tank – Under Sink Water Filter with Alkaline Filter for added Essential Minerals 100 GDP

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EXPRESS WATER #ad - Quality : rest easy with our 1-year on all Express Water Reverse Osmosis Water Systems. Under sink water filter: don’t waste money on professional installation. Reverse osmosis water filter: experience what water should taste like with the Express Water reverse osmosis water filtration system removing up to 99.

Included components: ultraviolet Sterilizer Uv Bulb 4 Gallon Water Storage Tank Tank Valve & More. On demand support: support from experts who can answer any of your questions about your new water filter. Express water’s quick and easy-to-understand design means you can install and understand everything about your new water filtration system. Alkaline water filter: alkaline filtration System with Active Mineral Technology adds Calcium, Potassium, Magnesium, and other minerals to your body needs right in your water.99% of lead, chlorine, fluoride, Nitrates, Arsenic, Calcium, Bacteria, and more.

Coli, bacteria, microorganisms, viruses, and more from your drinking water. Under sink water filter system: no need to mess with refilling or activating your Alkaline UV water filter system, Express Water’s water filtration systems automatically fill your water tank with high quality drinking water. Leak detection: each under sink water filter includes an emergency leak stop detector that shuts off water flow when it detects unwelcomed moisture. Uv water purification system: powerful uV Sterilization eliminates microorganisms like coliform, E.
BrandEXPRESS WATER #ad
ManufacturerExpress Water #ad
Height5 Inches
Length19 Inches
Weight0.22 Pounds
Width15 Inches
Part NumberROALKUV10M
ModelROALKUV10M

6. APEC WATER

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

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APEC WATER #ad - Enjoy unlimited ultra-fresh, clean, time and hassle of buying costly, great tasting water right at home. Designed, engineered and assembled in USA, RO-90 is the most durable system in the industry to guarantee water safety & your health.

Tested and certified by wqa to remove up to 99% of contaminants including arsenic, fluoride, heavy metals, lead, chlorine, virus and 1000+ contaminants. Comes with 100% lead-free designer faucet, plus jg Food grade tubing to provide safe, contamination-free pure water. Provides you the ultimate satisfaction and peace of mind with our lifetime support and 2 year manufacturer warranty with registration.

The original, top-notch JG Quick Connect fittings for easy and secure leak-seal. Simple and organized, RO-90 is designed to make identifying and replacing filters intuitive and easy. Save money, bottled water. 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.
BrandAPEC WATER #ad
ManufacturerAPEC Water Systems #ad
Height17.5 Inches
Length16 Inches
Weight25 Pounds
Width5.25 Inches
Part NumberRO-90
ModelRO-90

7. 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 - Feed water pressure 40-85 psi. Supreme quality - designed, engineered and assembled in USA to guarantee water safety & your health. This 75 gpd 6-stage system roes-ph75 is guaranteed to remove up to 99% of contaminants such as chlorine, VOCs, as well as toxic fluoride, taste, odor, lead, arsenic, nitrates, heavy metals and 1000+ contaminants.

Provide unlimited clean drinking water. Us made cartridge uses food-grade calcium from trusted source for safe, proven water pH enhancement. System comes with all parts and industry's best instructions and videos for an easy DIY experience. Max total dissolved Solids - 2000 ppm. America's no. 1 rated water filter brand with 20 years of success guaranteeing trouble free, dependable, noise-free system for long lasting, pure drinking water.2

2 year extended manufacturer warranty with registration. Enjoy ultra-pure drinking water with added calcium minerals for improved ALKALINITY and great taste. Wqa certified system. Premium long lasting filters used to treat tap/well water. High quality leak-free quick connect fittings require no extra lock clips to seal leak, and does not rely on water leak detector to protect your home like other brands.
BrandAPEC WATER #ad
ManufacturerAPEC Water Systems #ad
Height17.5 Inches
Length16 Inches
Weight27 Pounds
Width5.25 Inches
Part NumberROES-PH75
ModelROES-PH75

8. KFLOW

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Double RO Reverse Osmosis Water Filtration System with Filter Life, KFLOW Countertop Reverse Osmosis System, 0.0001 Micron Precise Filtration KFL-TDS-180, TDS Monitor, 4-Stage Water Filter System

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KFLOW #ad - Besides, you can press the water volume button to cyclically select water producing the volume of 05l, and 1. 5l and there is also a default volume of 1. 7l. The water left after filtering is not hastily classified as waste, but will be recycled for the next round of filtration with adding water, which makes this water purifier saves water by 300%.

Smart filter life & tds indicator: have you ever worried about you don't know when the cartridges expire and whether the water meets drinking standard? The smart indicating system allows you to check water quality and working mode with a glance, 1L, the electronic indicators display will notify you when to replace the filters. Innovation for effectiveness: unlike a high-consumption under-sink reverse osmosis water filter system, kflow water filtration system adopts RECYCLING MULTI-FILTRATION TECH. As every machine was tested before the package, and CTO 1 year. It's recommended to circulate no more than 4 times water before the entire tank of freshwater needs to be added.

Service life: ro filter 2 years, B099PNDS4G. With double ro tech, kitchen, matches bedroom, living room, the RO system offers faster water flow. User-friendly design: the ro water filter system with spiraled filter design makes filter replacement in 5s, avoid the risk of secondary pollution. The kflow can be placed anywhere with an available power supply, NO TOOLS required! Creative carafe replaces built-in water storage tank, this reverse osmosis system is a combination of drink dispenser and under-counter filter, office, etc.
BrandKFLOW #ad
ManufacturerKFLOW #ad

9. 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 - If you have trouble installing the filters, please refer to the user manual or contact us. Experience clean, safe, and good-tasting water every time you turn on the faucet.

Updated ft15 post-carbon filters are built with a secure push-fit quick connection, which allows faster filter replacement. Individually wrapped 1-year high capacity filter replacement cartridge pack for most standard 5-stage RO systems. Enjoy crystal clear ice cubes, fresher tea and coffee, better tasting foods, healthier baby formula – even better than most bottled water.7 pieces of 10" x 2. This filter pack does NOT include an RO membrane. 5" replacement water filters included: 2x sediment filters, 2x carbon block filters, 2x granular activated carbon filters, and 1x post-carbon filter.
BrandiSpring #ad
ManufactureriSpring #ad
Height10 Inches
Length2.5 Inches
Weight1 Pounds
Width2.5 Inches
Part NumberF7RO
ModelF7RO

10. EXPRESS WATER

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Express Water – Countertop Reverse Osmosis Water Filtration System – 4 Stage RO Water Filter with Faucet – Simple Set Up Faucet Filter

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EXPRESS WATER #ad - This countertop ro system filters up to 4 gallons of water an hour; for a higher production rate, consider our undersink RO systems; the countertop RO only works with faucets that use a threaded removable aerator; not compatible with sprayer faucets.

Low maintenance water filter: once set-up, the reverse osmosis countertop filter requires little maintenance. Countertop ro water filter system: enjoy fresh and clean drinking water from the easy install Express Water countertop water filters. On demand support: support from top rated customer service team who can answer any of your questions about your Express Water countertop filtration system. Backed by 1-Year limited warranty. Easy to install countertop filter: express Water’s countertop reverse osmosis systems only requires minutes to install and is designed for an easy 4-point installation that fits most standard faucet types.

Quick-connect and replaceable water filter cartridges make it easy to keep your water fresh. 4 stage water filters: express water 4 stage countertop water filter Systems include Sediment filter, Granular Carbon filter, Reverser Osmosis Membrane, and Post Activated Carbon filter to remove 99.99% of major contaminants in your drinking water.
BrandEXPRESS WATER #ad
ManufacturerExpress Water Incorporated #ad
Height14 Inches
Length13.25 Inches
Width6.5 Inches
Part NumberEZRO5
ModelEZRO5