10 BEST UNDER-SINK & COUNTERTOP FILTERS for sale in 2024 – compare between the best under-sink & countertop filters on sale.

Rank Product Rating
1
Waterdrop TSU 0.01μm Ultra-Filtration Under Sink Water Filter System, 3-Stage High Capacity to Remove 99.99% of Contaminants Larger than 0.01μm, USA Tech, Smart Panel, No Waste Water, 2 Years Lifetime
More Info Close
2 Reviews
Product Highlights
  • 0,01 micron Ultra Filtration membrane: Compare with the general 0.5 micron filtration pore size, this 0.01 micron Ultra Filtration membrane can filter out most of the harmful substances larger than 0.01micron. Including 99.99% of chlorine, 99% of lead, chloramine, fluoride, heavy metals, VOCs and much more. Besides, this system is not designed for TDS removal, It will retain minerals such as potassium, calcium, sodium, and magnesium, which are beneficial for your health.
  • Integrated waterway: The system adopts the cutting edge integrated waterway to prevent water leakage, which allows you to replace the filters without cutting off the water supply, deliver you a safe and secured water purification experience.
  • 24 Months filter life: The advanced filter design allows the system to perform with an extended service life of 24 months, higher than most of the filter products on the market, which reduces the frequency of future filter replacement and saves future maintenance costs. The system delivers a more effective filtration than normal water filters, giving you pure and healthy drinking water all the time.
  • Smart indicating system: Smart indicating system that allows you to check water quality and working mode with a glance. The electronic indicators on the front panel will notify you when to replace the filters by changing the color, ensuring safe, clean, and healthy purified water all day long!

$179.99
2
Waterdrop 10UA Under Sink Water Filter System, 8K Gallons High Capacity Main Faucet Under Counter Water Filtration System, Removes 99% Chlorine and Reduce Lead, Bad Taste & Odor, USA Tech, 0.5 Micron
More Info Close
No ratings yet
Product Highlights
  • Innovative five-stage filtrationThe Waterdrop Direct Connect Undersink Water Filtration System uses innovative five-stage filtration. Tested against NSF standards, it removes 99% of chlorine. And it can effectively reduces heavy metals (including lead, mercury, 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!
  • Authority Guaranteed materialsSpecially selected premium materials are lead-free, which is fully certified by the WQA against NSF 372 standard. 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 installationThe 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 usesThe 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.

$59.99 $49.99
3
Waterdrop 15UB Under Sink Water Filter System, 16K High Capacity Drinking Water Filtration System, with Dedicated Brushed Nickel Faucet, Removes 99% Chlorineand Reduce Lead, Bad Taste & Odor, USA Tech
More Info Close
No ratings yet
Product Highlights
  • Ultra-long service lifeWhen used with municipal water, each undersink water filter has a maximum service life of 24 months or 16,000 gallons. (This may vary based on water conditions.)
  • Authority Guaranteed materialsSpecially selected premium materials are lead-free, which is fully certified by the WQA against NSF 372 standard. 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.
  • Premium dedicated faucetThe undersink water filtration system comes with a lead-free brushed stainless steel faucet. For separate faucet you already have, WD-15UC system ( Search ASIN: B085G9T9TB ) would be a better choice if you want to install it to the separate faucet you already have.
  • Easy installationThis undersink water filtration system should be connected only to a cold water supply. With innovative push-to-connect fittings, installation takes less than 3 minutes. The twist-and-lock design helps you replace the filter in 3 seconds without any tools. The undersink water filtration system comes with a feed water adapter that can connect to the tubing. The 3/8’’–1/2’’ convertor fitting can connect this system to 1/2’’ or 3/8’’ cold water lines and faucets.

$79.99
4
Waterdrop 10UB Under Sink Water Filter System, 8K High Capacity Drinking Water Filtration System, with Dedicated Brushed Nickel Faucet, Removes 99% Chlorine and Reduce Lead, Bad Taste & Odor, USA Tech
More Info Close
No ratings yet
Product Highlights
  • Innovative five-stage filtrationThe Waterdrop Direct Connect Undersink Water Filtration System uses innovative five-stage filtration. Tested against NSF standards, it removes 99% of chlorine. And it can effectively reduces heavy metals (including lead, mercury, 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!
  • Authority Guaranteed materialsSpecially selected premium materials are lead-free, which is fully certified by the WQA against NSF 372 standard. 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.
  • Premium dedicated faucetThe undersink water filtration system comes with a lead-free brushed stainless steel faucet. For separate faucet you already have, WD-15UC system ( Search ASIN: B085G9T9TB ) would be a better choice if you want to install it to the separate faucet you already have.
  • Easy installationThis undersink water filtration system should be connected only to a cold water supply. With innovative push-to-connect fittings, installation takes less than 3 minutes. The twist-and-lock design helps you replace the filter in 3 seconds without any tools. The undersink water filtration system comes with a feed water adapter that can connect to the tubing. The 3/8’’–1/2’’ convertor fitting can connect this system to 1/2’’ or 3/8’’ cold water lines and faucets.

$64.99
5
Aquasana 2-Stage Under Sink Water Filter System with Brushed Nickel Faucet
More Info Close
No ratings yet
Product Highlights
  • Removes up to 99% of 77 contaminants including lead, mercury, asbestos, herbicides, pesticides, pharmaceuticals, and more
  • Nothing added and zero waste - no water is wasted and no harmful contaminants are added to your water during filtration
  • Only 10 cents per gallon - 12 times the capacity of the leading gravity pitcher. Healthy, clean water for less
  • Retains the healthy minerals - Claryum filtration keeps calcium, potassium, and magnesium for the healthiest drinking water

$126.71
6
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
More Info Close
No ratings yet
Product Highlights
  • Ultra-long service lifeWhen 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 filtrationThe 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 materialActivated 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 installationThe 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.

$69.99
7
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.
More Info Close
172 Reviews
Product Highlights
  • ✔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.

$89.99 $79.99
8
3M Aqua-Pure Under Sink Full Flow Water Filter System Cyst-FF
More Info Close
No ratings yet
Product Highlights
  • CLEARLY GREAT WATER - This system reduces sediment, particulate, chlorine taste and odor, and parasitic protozoan cysts
  • SIMPLE INSTALLATION - This system connects to the primary kitchen or bath water faucet and requires no special tools to install
  • UNIVERSAL DESIGN - The universal system design allows for use on both chlorinated (municipal) and non-chlorinated (well water) systems
  • EASY TO REPLACE - Sanitary Quick Change (SQC) design allows for fast and easy change-outs of the replacement cartridge without the need for a filter wrench or contact with the filter media

$107.19
9
Frizzlife Under Sink Water Filter-Quick Change Under Counter Drinking Water Filtration System-0.5 Micron High Precise Removes 99.99% Lead, Chlorine, Bad Taste & Odor-with Dedicated Faucet.
More Info Close
No ratings yet
Product Highlights
  • TWO-STAGE ADVANCED WATER PURIFIER WITH 0.5 MICRON: The Frizzlife MP99 Water Filtration System include a TWO-STAGE High precise compound 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!
  • DEDICATED FAUCET & BRASS FEED WATER ADAPTER VALVE INCLUDE: Frizzlife Undersink water filtration system includes a dedicated stailess steel faucet that can installed in most sinks providing cleaner filtered water for cooking or drinking. NO plumbing required, it come with 3/8" compatible brass feed water adapter, brackets and STEP-TO-STEP Installation manual, you can mount the water filter as you wish within 10 minutes.
  • 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 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 water. Tested Full Flow Rate above 1.2GPM @40 psi. Can be used in UNDER SINK, COUNTER TOP,ICE MAKER, BATHROOM, RV, GARDEN, etc.

$99.99 $84.85
10
CuZn UC-200 Under Counter Water Filter - 50K Ultra High Capacity - Made in USA
More Info Close
962 Reviews
Product Highlights
  • 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

$119.95

Trending Under-Sink & Countertop Filters

Products & Prices Were Last Updated On


John Carter

John Carter is the owner and CEO of AcedProducts.co—a popular online website that analyzes tens of thousands of reviews on various products to show you the bestsellers in any category. His goal is to make online shopping much easier than it's ever been by eliminating the need to guess which products are good and which ones are bad.

"Amazon, Amazon Prime, the Amazon logo and Amazon Prime logo are trademarks of Amazon.com, Inc. or its affiliates".