April 9, 2020

10+ Best Under Counter Water Filters Comparison 2020

By Young Kim

We’ve spent hundreds of hours researching and comparing the best Under Counter Water Filters Comparison of all specifications and features to find the best one for any need (or budget). Here are the results.

10+ Best Under Counter Water Filters Comparison 2020 – Reviews and Buyer’s Guide

Rank No. #1
5-Stage Under Sink Counter Water Filter System (25,000 Gallon Rated) - NSA 100S and 100X Replacement Made in USA by USA Filtration
  • MADE in USA, 25,000 Gallon Capacity or 94,600 L Capacity, with 1-Year Pro-Rata Warranty!!
  • UnderSink Filter Hooks up to existing water line connections and faucet (available with compression fittings) Includes easy-installation kit
  • Unique Bacteriostatic media (GAC/KDF) Prevents Bacteria (algae, fungi) growth for 36 months!!
  • Improves taste, eliminates odors, removes color, Removes hundreds of contaminants
  • H2O Filter is a 5 stage Under Counter filtration and purification system for your home or small business
Rank No. #2
AmazonBasics AMZN-PB-1DCS4M114M Direct Connect Full Flow High Capacity System Under Counter Water Filter, White
  • Under Counter Direct Connect Full Flow High Capacity Filter System: This water filter reduces a variety of chemicals and microbiological bacteria, as well as unpleasant odors associated with unfiltered tap water
  • Easy to Install: This filtration system connects easily to existing plumbing with no third faucets or open sumps necessary. Twist-lock manifold means you can change your filter without having to turn off your water
  • Zero Water Waste: This water filter removes bad contaminants such as lead, cysts, chlorine, mercury, and more while leaving beneficial minerals like calcium, potassium, magnesium behind
  • Peace of Mind: Enjoy fresh, clean, high-flow drinking and cooking water with the Amazon Basics under-counter water filter. Attaches underneath any sink for cold water filtration
  • 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
Rank No. #3
U300 3 Stage Under Sink Drinking Water Filtration System, Tankless Technology, High Capacity Filters, Designer Faucet
  • 20X better, more effective and longer lasting than the leading water pitcher dispenser.
  • 3 stages produce up to 2,000 gallons of colorless, tasteless and odorless purified drinking water.
  • Filters more contaminates than the leading pitcher or similar units: Reduces dirt, sand, silt, sediment, rust, chlorine taste & order, Cysts, lead, parasites (cryptosporidium & giardia), cloudiness (turbidity), THMs (trihalomethanes), VOCs (volatile organic chemicals), asbestos, and more.
  • Built and designed in California to comply with strict FDA standards.
  • Easy DIY installation and includes Water Hammer Protection Valve and Beautiful Lead Free Designer Faucet.
Rank No. #4
Express Water – Reverse Osmosis and Under Sink System Replacement Filter Set – 14 Filters with Carbon (GAC, ACB, PAC) Filters, Sediment (SED) Filters – 10 inch Standard Size Water Filters
  • Exactly what you need - Drink the healthiest water on Earth. All our filters are specially engineered to work together, producing the safest best tasting water you’ll ever drink.
  • Smart Filtered Sediment: The outer layers catch the coarsest contaminants and the inner layers catch finer contaminants. This means your filter lasts longer and give you the best value
  • Precision Engineered Carbon Filters: Efficiently packed carbon granules maximize your filtration surface area which means your filters give you the best value
  • Love your water - Environmentally friendly coconut carbon filters give unequaled quality and a clear natural taste.
  • Quick Connect Compatible - Fully ¼” quick connect compatible inline PAC carbon post filter
Rank No. #5
Coconut Shell CTO, Cyst Carbon Block Drinking Water Filter, 2.5 x 10, 0.5 Micron
  • Carbon block filter for a water filtration system
  • 2.5" OD and an overall length of 9-7/8"
  • Coconut shell carbon filter media with polypropylene outer/inner wrap, end caps and netting
  • Particle retention size of 0.5 micron
  • ANSI/NSF approved materials
Rank No. #6
CuZn UC-200 Under Counter Water Filter - 50K Ultra High Capacity - Made in USA
  • INCREDIBLE CAPACITY/LIFETIME: Up to 5 Years per filter! CuZn Backs The UC-200's Long Lasting Performance with a Comprehensive 5 year Pro-Rated Performance Warranty and 90 day Satisfaction Guarantee. The UC-200 is Designed for use with MUNICIPAL WATER ONLY - DO NOT USE WITH PRIVATE WELL WATER. The UC-200 is a Water Purification System, it is NOT A WATER SOFTENING SYSTEM. The CuZn UC-200 will not resolve issues caused by water being excessively hard (such as lime scale mineral deposits).
  • NO THIRD FAUCET HASSLE & SIMPLE TO INSTALL: Connects Directly to your Kitchen Sink's Cold Water Line. Only Takes a Few Minutes. All You will Need is an Adjustable Wrench for Tightening Connections. NEW Install Video Instructions Available, See Product Description for Details. QUESTIONS or NON-STANDARD Under Counter Plumbing!? Send us an Email or Call CuZn's Customer Support Team @ 800.345.PURE (7873)
  • 3 STAGE FILTRATION PROCESS: Micro Sediment Membranes, KDF-55 & Coconut Shell Carbon. The UC-200's Process Purifies the Water Without Removing Health Beneficial Hardness Minerals, The UC-200 DOES NOT REDUCE TDS READINGS, a PPM or TDS Meter is NOT Effective for testing. To Monitor The UC-200 with Testing, Utilize DPD#1 Chlorine Test Strips and Replace when Chlorine Breakthrough is Detected. Want TDS Removal? Search ASIN# B019N7VG1W on Amazon to View CuZn's Reverse Osmosis System.
  • BACTERIOSTATIC FILTRATION SYSTEM: Unlike Carbon Only Filters, The UC-200 is Bacteriostatic and Not Susceptible to Mold or Bacteria Growth
  • COMPREHENSIVE SUPPORT POLICY: The UC-200 is Fitted with 3/8" Male Compression Inlet/Outlet Fittings & comes with a 36" Long 3/8" x 3/8" Braided Stainless Steel Compression Hose. Have Non-Standard Plumbing or an Alternative Install in Mind (such as dedicated filtered water only faucet)? Contact Customer Support, We'll Supply an Install Kit for All Non-standard Installations at No Additional Cost to You!
Rank No. #7
PUR CR1100CV Classic Water Filter Pitcher Filtration System, 11 Cup
  • WATER FILTRATION SYSTEM – Quickly and easily enjoy cleaner, filtered water in your fridge with the PUR 11-Cup Classic Water Pitcher. This water filter pitcher features an easy-fill lid and a built-in LED filter life indicator.
  • REDUCES CONTAMINANTS – PUR Classic Water Pitcher Filter System contains PUR filter PPF900Z, which is certified to reduce 2X more contaminants than Brita filter OB03.**
  • WHY WATER FILTRATION? Tap water may look clean, but can contain potentially harmful pollutants & contaminants from traveling through pipes. PUR pitcher water filters reduce these contaminants and substances.
  • COMPATIBLE DOES NOT MEAN COMPARABLE – Genuine PUR pitcher filters are certified to reduce harmful contaminants from your water. Compatible water filter replacements are not guaranteed to offer the same water quality.
  • A BRAND YOU CAN TRUST – Contaminants can enter your water system daily, so filtering your water is important. PUR has been developing innovative technologies for superior water filtration for over 30 years.
Rank No. #8
Waterdrop 15UA Under Sink Water Filter System, 16K Gallons Ultra High Capacity Main Faucet Under Counter Water Filtration System, Removes 99% Lead, Fluoride, Chlorine, Bad Taste, USA Tech, 0.5 Micron
  • 【Ultra-long service life】When used with municipal water, each filter has a maximum service life of 24 months or 16,000 gallons. (This may vary based on water conditions.)
  • 【Innovative five-stage filtration】The Waterdrop Direct Connect Undersink Water Filtration System uses innovative five-stage filtration. Tested against NSF standards, it removes 99% of chlorine, heavy metals (including lead, mercury, and arsenic), and chemical contaminants such as fluoride. It also filters out sediment and other large particles, thereby preventing scale buildup. Enjoy healthy and pure water straight from your tap – no need to buy bottled water anymore!
  • 【Superior material】Activated carbon block and other advanced filter media ensure efficient and safe filtration. KDF effectively keep filter sanitary. The BPA-free, lead-free material ensures more reliable use from the inside out.
  • 【Easy installation】The system should be connected only to a cold water supply. With innovative push-to-connect fittings, the entire installation process takes less than 3 minutes. The twist-and-lock design ensures that you can replace the filter in 3 seconds. The system includes a 3/8” hose with a direct connection that adapts to standard 3/8’’ feed water valves under US sinks. The 3/8’’–1/2’’ convertor fitting helps you connect the system to both 1/2’’ and 3/8’’ cold water lines and faucets.
  • 【Fast flow rate & multiple uses】The fast and stable water supply provides pure and fresh water that tastes like spring water. The tested full flow rate is 2.0 gpm at 60 psi. Developed for household and commercial use, the Undersink Water Filtration System can be installed in your kitchen, bathroom, RV, or office to meet your daily water needs. Ideal for drinking, cooking, skincare, and cleaning.
SaleRank No. #9
Frizzlife Under Sink Water Filter System-High Capacity Direct Connect Under Counter Drinking Water Filtration System-0.5 Micron Quick Change Removes 99.99% Lead, Chlorine, Bad Taste & Odor.
  • ✔TWO-STAGE ADVANCED WATER PURIFIER WITH 0.5 MICRON: The Frizzlife MK99 Water Filtration System include a TWO-STAGE High precise compoud filter, which has a unique technology that removes over 99.99% of contaminants while leaving in all essential minerals. Eliminates LEAD, HEAVY METALS, CHLORINE, CHROMIUM 6, MERCURY, RUST, VOLATILE ORGANIC COMPOUNDS, CARCINOGENS, AND OTHER CONTAMINANTS, SUCH AS TURBIDITY, ORDORS AND BAD TASTES. Enjoy PURE AND HEALTHY WATER From the tap. NO more bottle water!
  • ✔FITS BOTH 1/2" AND 3/8" COLD WATER LINE: Super EASY Installation. Come with 3/8" DIRECT CONNECT hoses that fits standard 3/8" feed water valves under US kitchen sinks. The Inline water filter system also come with a 3/8" to 1/2" converter fittings allow the system directly install to the existing both 1/2" and 3/8" cold water line and faucet under your sink. Took less than 3 minutes and NO PLUMBING REQUIRED! New installation video available.
  • ✔BEST AUTO SHUT OFF DESIGN: Utilizing quick change twist-in installation design makes it take less than 3 minutes for you to install the system or doing a filter replacement. Provides quick twist connection for easy, tool-free, no mess filter replacement. The filter cap is designed with BUILT-IN shut off valve. You don't even need to shut off the water supply whenever you work on the filter cartridge replacement.
  • ✔HIGH FLOW RATE & MULTI-USAGE: Enjoy tap water as pure and healthy as spring fresh water. Tested Full Flow Rate >2.0GPM @40 psig. Good for cooking, washing fruits & veggies and cleaning dishes without watermarks.
  • ✔MONEY SAVING & 100% SATISFACTION: The under counter water filter system contains a core filter cartridge inside the housing, you will only need to replace the core part of the filter cartridge instead of throwing away the whole plastic part, it will save you much money on replacing the cartridge and will do a lot of helps on the environmental protection. Each cartridge with high capacity can be used for 2 years or 1,600 gallon water, for better filtration, suggest to replace after 6-8 month.
SaleRank No. #10
Filtrete Advanced Under Sink Quick Change Water Filtration System, Easy to Install, Reduces 0.5 Microns Sediment and Chlorine Taste & Odor, Includes 6 Month Filter (3US-PS01). Manufactured by 3M
  • HEALTHY LIVING FILTRATION LEVEL - This system reduces chlorine taste & odor as well as microbial cysts
  • EXTREMELY CLEAN WATER - This system reduces sand, sediment, rust, and soil (0.5 microns)
  • USES EXISTING FAUCET - Filter water right at the sink without having to install an entirely separate faucet
  • QUICK CHANGE - The filters in this system are easy to install, requiring just a 1/4 turn for a quick change
  • SIX MONTH FILTER LIFE - Use these filters for up to six months each
10+ Budget Under Counter Water Filters Comparison 2020 To Buy

10+ Budget Under Counter Water Filters Comparison 2020 To Buy

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