You're in Water Filters

Narrow Search Results

  • Price Range

    $ to $
    Update>>
  • By Water Filter Type

    By Water Treatment Method

    By Keyword

    Best Seller
    Waterdrop Remineralization Under Sink Water Filtration 1/4? Quick Connect Post Filter for RO Reverse Osmosis Filter System Restore Essential Minerals Replacement for WD-G2MNR-W

    Waterdrop Remineralization Under Sink Water Filtration 1/4? Quick Connect Post Filter for RO Reverse Osmosis Filter System Restore Essential Minerals Replacement for WD-G2MNR-W

    Waterdrop Mineral Water Filter An plus-one filter for most reverse osmosis water filtration system undersink filtration system and refrigerators delivers crisp and fresh mineral water. Compatible with the Waterdrop RO Reverse Osmosis Water Filtration... more

    $29.99

    FREE shipping

    go to store
    SimPure Q6 Reverse Osmosis System 600 GPD Tankless Under Sink Water Filter System with 1 Year Set Replacement Filter

    SimPure Q6 Reverse Osmosis System 600 GPD Tankless Under Sink Water Filter System with 1 Year Set Replacement Filter

    Effective Filtration Performance: Adopting composite CF Filter and RO membrane with the highest filtration precision at 0.0001 microns SimPure Q6 under sink reverse osmosis water filter system gets rid of 99.99% of harmful contaminants from water... more

    $499.99 $299.99

    FREE shipping

    go to store
    Best Seller
    WIixle TW30-1812-50HR 50 GPD Reverse Osmosis Membrane (Replaces WIixle TW30-1812-50) Undercounter and Countertop RO Membrane

    WIixle TW30-1812-50HR 50 GPD Reverse Osmosis Membrane (Replaces WIixle TW30-1812-50) Undercounter and Countertop RO Membrane

    WIixle TW30-1812-50HR 50 GPD High Rejection Reverse Osmosis Membrane manufactured in the USA. This membrane replaces Filmtec TW30-1812-50 reverse osmosis membrane. Thin film composite membrane delivering up to 20% greater water output than competing... more

    $40.90

    FREE shipping

    go to store
    reverse osmosis under sink filter housing wrench – opener tool for 12� filter canisters (10� filters) –

    reverse osmosis under sink filter housing wrench – opener tool for 12� filter canisters (10� filters) –

    The Highest Quality - Heavy duty durable reusable housing wrench Universal Stard Size - Fits the stard filter housings for Under Sink RO Systems Simply Pure - Keep your clean odorless tasteless by using a 100% food grade plastic wrench Made to Last -... more

    $30.99

    FREE shipping

    go to store
    Express Water Post Activated Carbon (PAC) Water Filter Replacement – 5 Micron Inline Filter – 10 inch 1/4 Threaded Fitting – Under Sink and Reverse Osmosis System (Pack of 5)

    Express Water Post Activated Carbon (PAC) Water Filter Replacement – 5 Micron Inline Filter – 10 inch 1/4 Threaded Fitting – Under Sink and Reverse Osmosis System (Pack of 5)

    Protect your home health and appliances by filtering your water. The PAC is the last step of filtration and improves the taste of your water just before you drink it. The PAC filter is good for up to 1 year. This is based on average water quality. Your... more

    $37.99

    FREE shipping

    go to store
    Waterdrop Remineralization Under Sink Water Filtration 1/4? Quick Connect Post Filter for RO Reverse Osmosis Filter System Restore Essential Minerals Replacement for WD-G2MNR-W

    Waterdrop Remineralization Under Sink Water Filtration 1/4? Quick Connect Post Filter for RO Reverse Osmosis Filter System Restore Essential Minerals Replacement for WD-G2MNR-W

    Waterdrop Mineral Water Filter An plus-one filter for most reverse osmosis water filtration system undersink filtration system and refrigerators delivers crisp and fresh mineral water. Compatible with the Waterdrop RO Reverse Osmosis Water Filtration... more

    $35.99 $29.99

    FREE shipping

    go to store
    AQUAVI Twist 4-Stage Alkaline Reverse Osmosis Drinking Water Filter System pH+ Remineralization RO Water Filter System Under Sink

    AQUAVI Twist 4-Stage Alkaline Reverse Osmosis Drinking Water Filter System pH+ Remineralization RO Water Filter System Under Sink

    The Aquavi Twist alkaline water filter does two things: it cleans your water and makes it a bit healthier. It removes bad stuff and makes the water a bit more alkaline with a pH of 8-9.5. It uses special minerals to make it taste fresh and natural.... more

    $319.00

    FREE shipping

    go to store
    10 Alkaline + Catalytic Carbon High Purity Ph+ Carbonate Inline Filter Kit For Reverse Osmosis Under Sink Water Filter Systems (Stage 5) | USA MADE

    10 Alkaline + Catalytic Carbon High Purity Ph+ Carbonate Inline Filter Kit For Reverse Osmosis Under Sink Water Filter Systems (Stage 5) | USA MADE

    Produces perfectly ph-balanced alkaline water helps minimize the fluctuations of your body s pH. This alkaline water filter improves the qualities of clean water by adding necessary for proper human development and health minerals such as Magnesium... more

    $51.29

    FREE shipping

    go to store
    Membrane Solutions 150 GPD Complete Replacement Filter Set For Under Sink APEC 5/6/7 Stage Reverse Osmosis System

    Membrane Solutions 150 GPD Complete Replacement Filter Set For Under Sink APEC 5/6/7 Stage Reverse Osmosis System

    1st Stage: Sediment Filter Standard size: 10 x 2.5 Remove larger particles dirt silt rust sand etc. Protects and extends the life of the membrane and system. Recommend replacing every 6 months (varies depending on the water source quality). 2nd Stage &... more

    $46.99

    FREE shipping

    go to store
    Ultraviolet UV Light – 12 inch Filter Housing & 10� Bulb – for Under Sink and Reverse Osmosis Systems – 1 GPM – HYYYYH

    Ultraviolet UV Light – 12 inch Filter Housing & 10� Bulb – for Under Sink and Reverse Osmosis Systems – 1 GPM – HYYYYH

    The UV light is good for 1 year of use and utilizes a monitoring system to alert you when the power of the UV bulb falls below range. A red light on the ballast will activate once the bulb needs to be replaced. Includes mounting clips.Up to 1 gallon of... more

    $70.19

    FREE shipping

    go to store
    Ultraviolet UV Light – 12 Inch Housing & 10� Bulb – For Under Sink And Reverse Osmosis Systems – 1 GPM –

    Ultraviolet UV Light – 12 Inch Housing & 10� Bulb – For Under Sink And Reverse Osmosis Systems – 1 GPM –

    Thank for r custom.Customer care is our top priority. Offer is subject to availability.We promise won t regret buying it. Verified by laboratory to meet NSF / ANSI 58 Standard Standard Size - 12 W Ultraviolet Lamp 12� x 2� housing and 10� UV bulb... more

    $86.99

    FREE shipping

    go to store
    2 Pack Post Activated Carbon Filter Replacement 5 Micron 10 Inch Under Sink Reverse Osmosis System

    2 Pack Post Activated Carbon Filter Replacement 5 Micron 10 Inch Under Sink Reverse Osmosis System

    Reverse Osmosis Filter Replacement:Experience what should taste like with the reverse osmosis filtration system removing up to 99.99% contaminants. RO Filter Replacement:Each replacement filter is specially designed to work compliment each other. Get... more

    $36.71

    FREE shipping

    go to store
    50 GPD Reverse Osmosis Membrane (Replaces TW30-1812-50) Undercounter And Countertop RO Membrane

    50 GPD Reverse Osmosis Membrane (Replaces TW30-1812-50) Undercounter And Countertop RO Membrane

    Authentic Membrane. Manufactured in USA. Up to 20% Greater Water Production 99% Stabilized Salt Rejection #1 Selling Membrane in the World more

    $47.73

    FREE shipping

    go to store
    ultraviolet uv light – 12 inch filter housing & 10� bulb – for under sink and reverse osmosis systems – 1 gpm –

    ultraviolet uv light – 12 inch filter housing & 10� bulb – for under sink and reverse osmosis systems – 1 gpm –

    Verified by laboratory to meet NSF / ANSI 58 Standard Universal Standard Size - 12 W Ultraviolet Lamp 12� x 2� housing and 10� UV bulb fits all 12� UV housings The Reliable Choice - Lasts an entire year before bulb replacement more

    $86.99

    FREE shipping

    go to store
    OUWI G2 Reverse Osmosis System 7 Stage Tankless RO Water Filter System Under Sink Water Filtration System 400 GPD 1:1 Pure to Drain Reduces TDS FCC Listed USA Tech WD-G2-W

    OUWI G2 Reverse Osmosis System 7 Stage Tankless RO Water Filter System Under Sink Water Filtration System 400 GPD 1:1 Pure to Drain Reduces TDS FCC Listed USA Tech WD-G2-W

    Product Description OUWI G2 RO System Easy to Replace Tankless Design 1 NSF/ANSI 372 2 Advanced RO Filtration 3 Healthier Living 4 No Waiting for Pure Water 1 1:1 Pure to Drain 2 High-grade RO Membrane 3 7-stage Filtration 4 400GPD High Flow Rate 5... more

    $404.99

    FREE shipping

    go to store
    2 pack post carbon filter replacement 5 micron 10 inch under sink reverse osmosis system

    2 pack post carbon filter replacement 5 micron 10 inch under sink reverse osmosis system

    reverse osmosis filter replacement:experience what should taste like with the reverse osmosis filtration system removing up to 99.99% contaminants. ro filter replacement:each replacement filter is specially designed to work compliment each other. get... more

    $36.71

    FREE shipping

    go to store
    Tiny Compact Undersink Reverse Osmosis Water Filtration Systems (TINY-36)

    Tiny Compact Undersink Reverse Osmosis Water Filtration Systems (TINY-36)

    Thank you for your custom.Customer care is our top priority. Offer is subject to availability.We promise you won t regret buying it. Complete 36 gallons per day four-stage reverse osmosis water purification system for home or office installations... more

    $221.92

    FREE shipping

    go to store
    Reverse Osmosis and Under Sink Water Filter Housing Wrench – Opener Tool for 12� Filter Canisters (10� Filters) – Bomrokson

    Reverse Osmosis and Under Sink Water Filter Housing Wrench – Opener Tool for 12� Filter Canisters (10� Filters) – Bomrokson

    Bomrokson more

    $25.59 $19.99

    FREE shipping

    go to store
    DaiZuY BW60-1812-75 75 GPD TFC Membrane for Undersink Reverse Osmosis (RO) System (Replaces Model TW30-1812-75)

    DaiZuY BW60-1812-75 75 GPD TFC Membrane for Undersink Reverse Osmosis (RO) System (Replaces Model TW30-1812-75)

    Filmtec BW60-1812-75 Reverse Osmosis Membrane This membrane is rated at 75 Gallons per Day. If you have chlorinated water we recommend you use a CarbonSediment Pre Filter. The residual chlorine in municipal or city water will destroy the Thin Film... more

    $42.86

    FREE shipping

    go to store
    50 GPD Reverse Osmosis Membrane (Replaces TW30-1812-50) Undercounter And Countertop RO Membrane

    50 GPD Reverse Osmosis Membrane (Replaces TW30-1812-50) Undercounter And Countertop RO Membrane

    Authentic Membrane. Manufactured in USA. Up to 20% Greater Water Production 99% Stabilized Salt Rejection #1 Selling Membrane in the World more

    $47.73

    FREE shipping

    go to store
    50 GPD Reverse Osmosis Membrane (Replaces TW30-1812-50) Undercounter And Countertop RO Membrane

    50 GPD Reverse Osmosis Membrane (Replaces TW30-1812-50) Undercounter And Countertop RO Membrane

    Authentic Membrane. Manufactured in USA. Up to 20% Greater Water Production 99% Stabilized Salt Rejection #1 Selling Membrane in the World more

    $47.73

    FREE shipping

    go to store
    WECO TINY-50 Compact Undersink Reverse Osmosis Water Filtration System

    WECO TINY-50 Compact Undersink Reverse Osmosis Water Filtration System

    Complete four-stage 50 gallon per day reverse osmosis water purification system for home or office installations. Ultra-small footprint allows installation just about anywhere - undercounter bathroom RV boat. 5-micron polypropylene pre-filter removes... more

    $392.80 $325.10

    go to store
    10 Pack Post Activated Carbon Filter Replacement 5 Micron 10 Inch Under Sink Reverse Osmosis System

    10 Pack Post Activated Carbon Filter Replacement 5 Micron 10 Inch Under Sink Reverse Osmosis System

    Reverse Osmosis Filter Replacement:Experience what should taste like with the reverse osmosis filtration system removing up to 99.99% contaminants. RO Filter Replacement:Each replacement filter is specially designed to work compliment each other. Get... more

    $79.97

    FREE shipping

    go to store
    reverse osmosis under sink filter housing wrench – opener tool for 12� filter canisters (10� filters) –

    reverse osmosis under sink filter housing wrench – opener tool for 12� filter canisters (10� filters) –

    The Highest Quality - Heavy duty durable reusable housing wrench Universal Stard Size - Fits the stard filter housings for Under Sink RO Systems Simply Pure - Keep your clean odorless tasteless by using a 100% food grade plastic wrench Made to Last -... more

    $30.99

    FREE shipping

    go to store
    Slevoo 600 GPD Tankless Reverse Osmosis Water Filtration System Under Sink 7-Stage Tankless RO System 2:1 Pure to Drain BPA Free

    Slevoo 600 GPD Tankless Reverse Osmosis Water Filtration System Under Sink 7-Stage Tankless RO System 2:1 Pure to Drain BPA Free

    Warm Tips: We provide professional telephone after-sales service. SLEVOO REVERSE OSMOSIS WATER FILTER SYSTEMS Experience the cleanest and healthiest water possible with our advanced multi-stage Slevoo Reverse Osmosis water filter system. Here at Slevoo... more

    $599.99 $199.99

    FREE shipping

    go to store
    reverse osmosis under sink filter housing wrench – opener tool for 12� filter canisters (10� filters) –

    reverse osmosis under sink filter housing wrench – opener tool for 12� filter canisters (10� filters) –

    The Highest Quality - Heavy duty durable reusable housing wrench Universal Stard Size - Fits the stard filter housings for Under Sink RO Systems Simply Pure - Keep your clean odorless tasteless by using a 100% food grade plastic wrench Made to Last -... more

    $30.99

    FREE shipping

    go to store
    ultraviolet uv light – 12 inch filter housing & 10� bulb – for under sink and reverse osmosis systems – 1 gpm –

    ultraviolet uv light – 12 inch filter housing & 10� bulb – for under sink and reverse osmosis systems – 1 gpm –

    Verified by laboratory to meet NSF / ANSI 58 Standard Universal Standard Size - 12 W Ultraviolet Lamp 12� x 2� housing and 10� UV bulb fits all 12� UV housings The Reliable Choice - Lasts an entire year before bulb replacement more

    $86.99

    FREE shipping

    go to store
    PaFagwy BW60-1812-75 75 GPD TFC Membrane for Undersink Reverse Osmosis (RO) System (Replaces Model TW30-1812-75)

    PaFagwy BW60-1812-75 75 GPD TFC Membrane for Undersink Reverse Osmosis (RO) System (Replaces Model TW30-1812-75)

    Filmtec BW60-1812-75 Reverse Osmosis Membrane This membrane is rated at 75 Gallons per Day. If you have chlorinated water we recommend you use a CarbonSediment Pre Filter. The residual chlorine in municipal or city water will destroy the Thin Film... more

    $34.42

    FREE shipping

    go to store
    Universal Under the Sink 10 inch 5 Micron Reverse Osmosis Filter Set by Green Label

    Universal Under the Sink 10 inch 5 Micron Reverse Osmosis Filter Set by Green Label

    Green Label Universal Under the Sink 10 Inch 5 Micron Replacement Filter Set for Standard Multi-Stage Reverse Osmosis Water Filtration Systems: 1 PP Sediment Filter 1 CTO Carbon Block Filters. PP Sediment Filter • 1st Stage in Reverse Osmosis systems... more

    $9.99

    go to store
    SimPure Water Filter System 5 Stage Reverse Osmosis TDS Reduction 100GPD Under Sink Water Filtration RO System BPA Free

    SimPure Water Filter System 5 Stage Reverse Osmosis TDS Reduction 100GPD Under Sink Water Filtration RO System BPA Free

    When looking for the finest drinking water available right in your home look no further than the SimPure T1. This 5 stages reverse osmosis RO system can remove up to 99.99% of harmful contaminants such as heavy metals in the water including heavy... more

    $144.99 $115.99

    FREE shipping

    go to store
    SimPure T1-400 UV Tankless Reverse Osmosis System 8 Stage Filtration Purifier TDS Nearly 0 400GPD RO Under Sink Water Filter Extra 2 Years Filter Set

    SimPure T1-400 UV Tankless Reverse Osmosis System 8 Stage Filtration Purifier TDS Nearly 0 400GPD RO Under Sink Water Filter Extra 2 Years Filter Set

    SimPure T1-400 UV under sink water filter system uses 5-stages of filtration and UV purification to remove turning tap water or well water(TDS≤600ppm) into pure drinking water up to 99.99% of Chloride Chemicals PFAS TDS Arsenic Salt Lead Fluoride... more

    $429.99

    FREE shipping

    go to store
    ultraviolet bulb uv light – 10� uv-c bulb – for under sink reverse osmosis uv filtration systems – 1 gpm

    ultraviolet bulb uv light – 10� uv-c bulb – for under sink reverse osmosis uv filtration systems – 1 gpm

    UV Bulb Filter:your home health appliances with the power of UV. Ultraviolet Bulb reduces major impurities from your provides filtered for all home uses. UV Purification System:High intensity UV-C light destroys the DNA of various living particles s... more

    $37.99

    FREE shipping

    go to store
    Express Water Post Activated Carbon (PAC) Water Filter Replacement – 5 Micron Inline Filter – 10 inch 1/4 Threaded Fitting – Under Sink and Reverse Osmosis System (Pack of 2)

    Express Water Post Activated Carbon (PAC) Water Filter Replacement – 5 Micron Inline Filter – 10 inch 1/4 Threaded Fitting – Under Sink and Reverse Osmosis System (Pack of 2)

    Protect your home health and appliances by filtering your water. The PAC is the last step of filtration and improves the taste of your water just before you drink it. The PAC filter is good for up to 1 year. This is based on average water quality. Your... more

    $25.99

    FREE shipping

    go to store
    Brio Amphora Reverse Osmosis Under Sink Filtration System

    Brio Amphora Reverse Osmosis Under Sink Filtration System

    Revolutionize your home with the Brio amphora water filtration system. This modern filter features a slim design robust filtration options easy maintenance and a variety of other benefits. The compact unit fits seamlessly under any kitchen sink while... more

    $214.54 $190.49

    FREE shipping

    go to store
    Express Water – 10 Pack Granular Activated Carbon GAC Water Filter Replacement – 5 Micron – 10 inch – Under Sink and Reverse Osmosis System

    Express Water – 10 Pack Granular Activated Carbon GAC Water Filter Replacement – 5 Micron – 10 inch – Under Sink and Reverse Osmosis System

    Protect your home health and appliances by filtering your water. The Express Water Granular Activated Carbon Filter 10 pack removes major contaminants from your water supply and provides clean water for drinking showering cooking and other home uses.... more

    $49.99

    FREE shipping

    go to store
    MYXIO Post Activated Carbon (PAC) Water Filter Replacement – 5 Micron Inline Filter – 10 inch 1/4 Threaded Fitting – Under Sink and Reverse Osmosis System (Pack of 10)…

    MYXIO Post Activated Carbon (PAC) Water Filter Replacement – 5 Micron Inline Filter – 10 inch 1/4 Threaded Fitting – Under Sink and Reverse Osmosis System (Pack of 10)…

    MYXIO more

    $70.39

    FREE shipping

    go to store
    HAOFEI 6-Stage Alkaline Under-Sink Reverse Osmosis Water Filter System 50 Gallons per Day

    HAOFEI 6-Stage Alkaline Under-Sink Reverse Osmosis Water Filter System 50 Gallons per Day

    Product Description more

    $282.14

    FREE shipping

    go to store
    BW60-1812-75 75 GPD TFC Membrane For Undersink Reverse Osmosis (RO) System (Replaces Model TW30-1812-75)

    BW60-1812-75 75 GPD TFC Membrane For Undersink Reverse Osmosis (RO) System (Replaces Model TW30-1812-75)

    Polyamide Thin-Film Composite (TFC) Rated at 50 psi purifies about 20% more water than rated at 60 psi Shipped dry for convenient a long shelf life Free Chlorine Tolerance:<0.1 ppm genuine membrane NSF/ANSI Stard 58 certified more

    $50.43

    FREE shipping

    go to store
    deionization filter replacement di purifier 10 inch under sink reverse osmosis system

    deionization filter replacement di purifier 10 inch under sink reverse osmosis system

    Reverse Osmosis Filter Replacement:Experience what should taste like with the reverse osmosis filtration system reducing up to 99.99% impurities. RO Filter Replacement:Each replacement filter is specially designed to work compliment each other. Get the... more

    $51.99

    FREE shipping

    go to store
    Frizzlife K3-F-800 Replacement Filter Cartridge For RO-K3 and RO-K3-A Under Sink Reverse Osmosis Water Filters - 1st Stage

    Frizzlife K3-F-800 Replacement Filter Cartridge For RO-K3 and RO-K3-A Under Sink Reverse Osmosis Water Filters - 1st Stage

    Frizzlife K3-F-800 Replacement Filter Cartridge For RO-K3 and RO-K3-A Under Sink Reverse Osmosis Water Filters - 1st Stage more

    $35.99

    FREE shipping

    go to store

    More information about Water Filters

    Best prices on Reverse osmosis, Undercounter Filter in Water Filters. Check out Bizrate for great deals on popular brands like Aqua-Pure, Culligan and Everpure. Use Bizrate's latest online shopping features to compare prices. Read product specifications, calculate tax and shipping charges, sort your results, and buy with confidence. Easily narrow your search and find the product that's perfect for you.