Top 9 Reverse Osmosis Water Filter Replacement – Replacement Under-Sink Water Filters

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1. EXPRESS WATER

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

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EXPRESS WATER #ad - Water purification system: drink the healthiest water on Earth. 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, fluoride, Heavy Metals, microplastics, and more. Replace reverse osmosis Membrane and Post Activate Carbon once a year.

Reverse osmosis replacement water filters: Experience what water should taste like with the Express Water reverse osmosis water filtration system removing up to 99. 99% contaminants. On demand support: support from experts who can answer any of your questions about your replacement water filters. Fully ¼” quick connect compatible. All water filters are specially engineered to work together, producing the safest and best tasting water you’ll ever drink. 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.

Pre-carbon filter: activated carbon Block and Granular Activated Carbon block water filters protect your system from chlorine damage and remove volatile organic chemicals. 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. Get the cleanest water and the best value in your filtration. Reverse osmosis filter replacement set: each Express Water replacement filter is specially designed to work together and compliment each other.
BrandEXPRESS WATER #ad
ManufacturerExpress Water Incorporated #ad
Weight19.11 Pounds
Part NumberFLTSETS6C6G6I3M502
ModelFLTSETS6C6G6I3M502

2. Whirlpool

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Whirlpool WHEERF Replacement Water Filter Cartridges White, 9.8 x 2.5 x 2.5 inches

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Whirlpool #ad - Ultraease filter replacement - change filter in seconds with just a quarter turn – no hassles, no mess, no need to turn off your water supply. 6 month filter life - replace your systems pre and post filter every 6 months. It is essential to change your filters on time to ensure your system is working properly. System is certified to reduce numerous contaminants including chlorine taste and odor, cysts, chemicals, sediment, lead, and dissolved solids. Replacement whirlpool reverse osmosis pre/post filter 2 pack fits systems WHAROS5, WHAPSRO & WHER25. Made in the USA.
BrandWhirlpool #ad
ManufacturerCommercial Water Distributing #ad
Height2.5 Inches
Length9.75 Inches
Weight1 Pounds
Width2.5 Inches
Part NumberWHEERF
ModelWHIRLPOOL-WHEERF

3. Brondell

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Brondell H2O+ Circle Sediment and Carbon Replacement Filter Pack RF-20

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Brondell #ad - Filter set for the Brondell Circle reverse osmosis water filter system. Replacement sediment and carbon filter set for the Brondell Circle reverse Osmosis system. Replacement set contains a set of 3 filters: Sediment, Pre-Carbon Plus, and Carbon Block filter. Gold seal certified by WQA Water Quality Association for trusted performance. Quick change filters - twist and seal filters make filter replacement a breeze.
BrandBrondell #ad
ManufacturerBrondell #ad
Height11.25 Inches
Length2.75 Inches
Weight2.6 Pounds
Width8.25 Inches
Part NumberRF-20
ModelRF-20
WarrantyLimited lifetime - manufacturer.

4. Puroflo

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Puroflo ERO 5 pc RO Water Filters Replacement 5 Stage Set, Compatible with APEC Water System Replacement Filters Set, 1-Year Reverse Osmosis Filters Undersink Drinking Water System RODI Filtration Kit

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Puroflo #ad - Great tasting water puroflo's inline granulated activated carbon filter replacement is made from 100% natural coconut shell. It efficiently removes thousands of harmful contaminants such as sediment, lead, chlorine, arsenic, bad tastes/odors, and other chemicals to provide fresh tasting, fluoride, heavy metals, sodium, cleaner drinking water.

Note ① post carbon filter is 1/4" female thread. Does not include 5th stage quick connect fittiNG. It can filter out chlorine byproducts, VOCs and produce clean water, which helps to improve the taste of the drinking water. Note ② does not include quick Fitting. Additional assistance is also available from our experts, welcome to the Puroflo Family! Compatibility puroflo's 5 stage ro water filters replacement set is an affordable alternative for expensive brand name filters. Ro filters 5 pieces set only works for 1/4" push-in fitting. Nsf certified filter performance puroflo's ero ro water filters replacement set is certified to nsf's strictest standards for food grade safety material and filtration performance.

100% lead-free and has been proven to filter contaminants from tap water. The activated carbon has a large surface area which is great for adsorption of contaminants. It is compatible with most 10" filter housing, rcc7d2, rcc 1up - ak, rcc7p, rcc7ak-uv, rcc7d, ro5dxg|ispring rcc 1p, rcc 1up, roes-ph75, rodi 10d, rcc7, wfs-1000|express water RO5DXG, ro-90, RCC7AK, ro-perm, roes-UV75, including APEC water systems ROES-50 replacement filters, RCC7P -AKRCC7U and other 10" standard RO systems.
BrandPuroflo #ad
ManufacturerGeneral Water Solutions #ad
Height5 Inches
Length18 Inches
Weight5 Pounds
Width13 Inches

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

6. Watts Premier

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Multi, Watts Premier WP531161 RO Pure Plus Reverse Osmosis Water Filter Replacement Kit, 6 Pack

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Watts Premier #ad - To maintain top performance replace sediment and carbon pre-filters every 6 months, VOC carbon filter once a year, and the membrane every 2 to 5 years with our easy push button release that doesn't require you to shut off your water source. It is compatible with the ro pure wp531411, wp531407 and pure plus wp531417, wp531517 line of reverse osmosis systems but will NOT fit the Watts 1/4 turn Kwik Change reverse osmosis system.

The major benefits of these filters for your under sink filtration system is to trap sediment, reduce TDS and VOCs, and eliminate chlorine taste and odor to provide clean drinking water. The sediment pre-filter reduces dirt, 4-d, silt and rust; the carbon pre-filter reduces chlorine taste and odors and conditions the water before it is treated by the reverse osmosis membrane; the 50 GPD membrane reduces TDS and other contaminants like chromium, arsenic, benzene, copper, 2, atrazine, lead, and the voc carbon post-filter reduces chemicals like mtbe's, and lindane.

This watts premium water filter replacement kit contains five, one 5 micron carbon pre-filter WP105351, 11 inch filters: two 5 micron sediment filter WP105311, one 50 gpd membrane wp105331, and one 1 micron VOC Volatile Organic Compound carbon post-filter WP105381.
BrandWatts Premier #ad
ManufacturerWatts #ad
Height2.5 Inches
Length15.5 Inches
Width13 Inches
Part NumberPremier RO-PURE-PLUS
ModelWP531161

7. Watts Premier

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Watts Premier WP531155 RO Pure Reverse Osmosis Water Filter Replacement Kit, Multi, 6 Pack

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Watts Premier #ad - To maintain top performance replace sediment and carbon pre-filters every 6 months, carbon post-filter every 12 months, and the membrane every 2 to 5 years with our easy push button release that doesn't require you to shut off your water source.

The sediment pre-filter reduces dirt, silt and rust; the carbon pre-filter reduces chlorine taste and odors and conditions the water before it is treated by the reverse osmosis membrane; the 50 GPD membrane reduces TDS and other contaminants like chromium, arsenic, copper, and lead. It is compatible with the ro pure wp531411, wp531407 and pure plus wp531417, wp531517 line of reverse osmosis systems but will NOT fit the Watts 1/4 turn Kwik Change reverse osmosis system.

This watts premium water filter replacement kit contains six, 11 inch filters: two 5 micron sediment Filter WP105311, two 5 micron carbon pre-filter WP105351, one 50 50 GPD membrane WP105331 and one 5 micron carbon post-filter WP105341. The major benefits of these filters for your under sink filtration system is to trap sediment, reduce TDS, and eliminate chlorine taste and odor to provide clean drinking water.
BrandWatts Premier #ad
ManufacturerWatts #ad
Height2.5 Inches
Length15.5 Inches
Weight4.3 Pounds
Width13 Inches
Part NumberWP531155
ModelWP531155

8. APEC Water Systems

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APEC Water Systems FILTER-SET-ES High Capacity Replacement Pre-Filter Set For Essence Series Reverse Osmosis Water Filter System Stage 1-3

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APEC Water Systems #ad - 1st stage 5 micron Polypropylene sediment filter to remove dust, particles and rust. 2nd & 3rd stage 10 micron extruded carbon block filters to remove chlorine, taste & odor. High performance replacement filters are compatible with all standard sized under counter RO systems. Includes 1 sediment and 2 carbon block filters to protect and extend the life of the RO system. Apec water essence series filter-set-es is for roes-50, roes-phuv75, roes-ph75, roes-uv75-SS and ROES-UV75.
BrandAPEC Water Systems #ad
ManufacturerAPEC Water Systems #ad
Height10 Inches
Length2.5 Inches
Weight2 Pounds
Width7.5 Inches
Part NumberFILTER-SET-ES
ModelFILTER-SET-ES

9. iSpring

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White, Without Membrane, iSpring F9K 1-Year Reverse Osmosis Water Filter Replacement Cartridge Pack Set for 6-Stage Alkaline Mineral RO Filtration Systems

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iSpring #ad - The ro membrane removes not only harmful pollutants but also a few helpful minerals. If you have trouble installing the filters, please refer to the user manual or contact us. 5" replacement water filters included: 2x sediment filters, 1x post-carbon filter, 2x carbon block filters, 2x granular activated carbon filters, and 2x alkaline filters.

Enjoy crystal clear ice cubes, safe, fresher tea and coffee, healthier baby formula – even better than most bottled water.99 pieces of 10" x 2. Experience clean, better tasting foods, and good-tasting water every time you turn on the faucet. Updated fa15 alkaline mineral filters and FT15 post-carbon filters are built with a secure push-fit quick connection, which allows faster filter replacement.

This filter pack does not include an ro membrane. As a result, a standard 5 stage RO system produces slightly acidic water with a pH of 7. 0 or below. Alkaline mineral filter produces alkaline water with restored healthy minerals such as natural calcium, and potassium ions, magnesium, which ph-balances the RO water. Individually wrapped 1-year high capacity filter replacement cartridge pack for 6-stage RO systems.
BrandiSpring #ad
ManufactureriSpring #ad
Height10 Inches
Length3 Inches
Weight5.95 Pounds
Width3 Inches
Part NumberF9K
ModelF9K