ReviewsUnder Sink Filters

Amazon Basics 4-Stage Reverse Osmosis Home Drinking Water System

  • 4-Stage Reverse Osmosis Water Filtration System: This home water filter system includes: sediment filters (stage 1), pre-carbon block filters (stage 2), reverse osmosis membrane filter (stage 3), and post-carbon block filter (stage 4).
  • Enjoy Filtered Water Every Day: This water filter system reduces chemicals, particulates, and contaminants, as well as unpleasant odors and tastes often associated with unfiltered tap water.
  • Easy Installation: This reverse osmosis water filtration system easily connects to existing plumbing with "twist-lock" manifolds for convenient filter replacement and no open sumps.
  • Peace of Mind: All of our reverse osmosis water filter system components are lead free and tested for safety. Use this water filter to reduce chlorine and capture particulates found in tap water.
  • Amazon Basics: We make premium water filtration systems, including faucet filters, whole house filters, under the sink filters, shower filters and more, so you can provide clean water for your whole family.
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Pure Blue H2O Stage 3 Membrane Replacement Filter

  • Stage 3 Membrane Filter Replacement: This Stage 3 Membrane Filter is made for your Pure Blue H2O Four Stage Reverse Osmosis Water Filtration System. Recommended replacement every 2-5 years.
  • Reduce Contaminants: This high-purity, thin-film-composite membrane reduces total dissolved solids and harmful contaminants, including Fluoride, Lead, Arsenic, Chromium 6, Cysts, Turbidity, TDS, and Radium 226/228.
  • Enjoy Better Water At Home: Your water filtration system helps ensure you have clean drinking water. The Stage 3 Membrane Filter can handle up to 50 gallons/day and filters down to 1/10,000th of a micron.
  • Affordable, Clean Water Solutions: Pure Blue makes water filtration systems, reverse osmosis filters and other water treatment systems, that clean, filter and restore water to a pure, uncontaminated state.
  • Pure Blue: We make premium water filtration systems, including faucet filters, whole house filters, under the sink filters, shower filters and more, so you can provide clean water for your whole family.
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Glacier Bay HDGUSS4 Basic Under Sink Drinking Water Filtration System

  • Customized filtration based on filter selection (filter not included).
  • Uses HDX Advanced or Basic Undersink Filters (HDXLTF4, HDXCTF4, HDXVOF4) or any major brands of drop-in style undersink water filters.
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Express Water RO5DX Reverse Osmosis Filtration NSF Certified 5 Stage RO System with Faucet and Tank – Under Sink Water Plus 4 Filters – 50 GPD, 14 x 15 x 5, White

  • 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, Chlorine, Fluoride, Nitrates, Calcium, Arsenic, and more..
  • Water Purification System: Drink the healthiest water on Earth. 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: Don’t waste money on professional installation. 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.
  • 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. Try additional filtration attachments including UV Water Filter, Alkaline Water Filter, Deionization Water Filter, and more.
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Pure Blue H2O 4-Stage 50 GPD Certified Reverse Osmosis Water Filter System

  • 4 Stage Reverse Osmosis Water Filter System: This professional grade system has 4 separate filters to ensure clean, great tasting water and an electronic faucet monitor that notifies you when it’s time to change your filters.
  • Skip the Bottled Water: This home filter system includes 1 Stage 1 Sediment Filter, 1 Stage 2 Pre Carbon Block Filter,1 Stage 3 Membrane Filter, and 1 Stage 4 Post Carbon Block Filter.
  • Enjoy Better Water At Home: This water filtration system is certified to NSF/ANSI standards 58 and 372, helping reduce Lead, Fluoride R, Arsenic, Cadmium, Chromium 6, Giardia, and more.
  • Affordable, Clean Water Solutions: Pure Blue makes water filtration systems, reverse osmosis filters and other water treatment systems, that clean, filter and restore water to a pure, uncontaminated state.
  • Pure Blue: We make premium water filtration systems, including faucet filters, whole house filters, under the sink filters, shower filters and more, so you can provide clean water for your whole family.
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Monoprice 133124 Flood Sensor

  • 24/7 Remote Monitoring: Tap into your mobile device to monitor for the presence of a a water leak or flood. You can also check the battery life of the sensor from anywhere and at anytime. Conveniently review your logs and detection history in case you missed an alert..
  • Instant Notifications: Be the first to know. Receive instant push notifications and send alerts directly to your mobile devices whenever a water leak or flood is detected..
  • Extended Probe: The detachable extended probe with bracket allows an extension to hard to reach areas, up to 3.8 feet. The sensor is perfect for under the sink, around tubs, near water heaters, pipes, and washing machines..
  • Easy Setup and STITCH Installation: The detachable extended probe with bracket allows an extension to hard to reach areas, up to 3.8 feet. The sensor is perfect for under the sink, around tubs, near water heaters, pipes, and washing machines..
  • Applications: Place the sensor under sinks, near bathtubs, water heaters, pipes, filters, and anywhere a leak may be present..
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Woder 5K-DC Ultra High Capacity Direct Connect Bathroom Under Sink Water Filter - 5,000gal Premium Class 1 - USA-Made

  • ...ct’ hoses that fit standard 3/8” water valves under US kitchen and bathroom sinks. The 3/8” Direct Connect Hose are made to install directly to the existing cold water valve and faucet stem under your sink..
  • GO MAINTENANCE AND REPLACEMENT FREE FOR LONGER: Lasts for a minimum of 3 years or 5,000 Gallons. Other filters last only 3 to 6 months but Woder wants you to install it and forget about it..
  • Woder filters are tested by independent laboratories to ANSI Protocols plus lead so you never have to question the quality of your filtration system..
  • BEST FILTER YOU’LL EVER BUY. Bring water to your bathrooms that is as pure and healthy as spring water. Enjoy safe, clean water for drinking, brushing your teeth, or washing your hands and face. Flow Rate 3GPM @65 psig..
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Pure Blue H2O G30 Classic Countertop Water Filter, White

  • Countertop Water Filter: The Pure Blue G30 Classic filter uses 5 stage filtration technology to remove chlorine, bad taste and odors from your water for 30,000 gallons. Lasts for over 10 years.
  • Maintenance Free: This countertop water filter is NSF Certified and NSF/ANSI standard 42. It attaches to your existing faucet for filtered water on demand and does not require any replacement filters.
  • Skip the Bottled Water: The Pure Blue G30 Classic is the longest lasting residential water filter available. Diverter valve allows for ordinary use or filtered flow for drinking and cooking.
  • Affordable, Clean Water Solutions: Pure Blue makes water filtration systems, reverse osmosis filters and other water treatment systems, that clean, filter and restore water to a pure, uncontaminated state.
  • Pure Blue: We make premium water filtration systems, including faucet filters, whole house filters, under the sink filters, shower filters and more, so you can provide clean water for your whole family.
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EcoPure EPU2L Replacement Water Filter, White/Yellow

  • COMPATIBLE: Designed for use in the EcoPure Universal Under sink Water Filtration System (EPU3).
  • UNIVERSAL FIT: Fits all major brands of drop-in-style under sink filtration systems, including: Whirlpool, Omni, Culligan, Watts, Filtrate, 3M, GE, and DuPont.
  • 6-MONTH FILTER LIFE: For best filtration results, filters should be replaced every six months, as recommended.
  • BETTER PROTECTION: NSF certified to reduce contaminants commonly found in drinking water, including chlorine taste & odor, sediment, cysts and lead down to 0. 5 microns.
  • HELPFUL: Want filter-change reminders? Visit EcoPure’s website to sign up. Questions? Our lifetime technical support staff is available –call the EcoPure helpline or visit EcoPure’s website..
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Express Water RODI10D Reverse Osmosis Deionization Water Filtration System – 6 Stage RO Water Filter with Faucet and Tank – Under Sink Water Filter – with Deionization Water Filter – 100 GPD

  • Reverse Osmosis Water Filter: Experience what water should taste like with the Express Water reverse osmosis water filtration system filtering up to....
  • Deionization Water Filter: Made with ion exchange resin beads, Express Water deionization filters the most difficult of impurities from your water,....
  • Under Sink Water Filter: Don’t waste money on professional installation. Express Water’s quick and easy-to-understand design means you can install....
  • Under Sink Water Filter System: No need to mess with refilling or activating your water filter, Express Water’s water filtration systems....
  • Leak Detection: Each under sink water filter includes an emergency leak stop detector that shuts off water flow when it detects unwelcomed moisture.
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Whirlpool Whole Home Standard Capacity Pleated Filters WHKF-WHPL 2 Pack 30 Micron Filtration 3-Month Filter Life Reduces Sediment Sand Soil Silt & Rust

  • Whirlpool whole home pleated filters provide clean, fresh water throughout the entire house for drinking, bathing and cleaning..
  • Reduces particles in water including sediment, sand, soil, silt, and rust. With 30 Micron Filtration, these whole house water filters purify particles....
  • Long-lasting filter life: This home water filtration system has a filter life of 3 months. Fits industry standard 10-inch x 2 1/2-inch filter....
  • NSF tested and certified: A whole house filter you can trust – certified by the National Sanitation Foundation. The pleated polypropylene filter is....
  • Try Whirlpool's full line of filtration system products, including whole home filters, under-sink filters, ice filters, replacement filters, and more..
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