It took days of going through more than a thousand customer reviews and conducting expert researches to narrow down the list. Weve included a comparison table below to give you a quick summary of our top 15 countertop water filter ro. Its followed by an in-depth review of each countertop water filter ro. Hopefully, once you are done reading this article, you will be well informed about countertop water filter ro and be able to select the right countertop water filter ro for you without any hesitations.

Best countertop water filter ro

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Best countertop water filter ro reviews

1. CuZn UC-200 Under Counter Water Filter - 50K Ultra High Capacity - Made in USA

Feature

Incredible Capacity/Lifetime: 50,000g or 5 years!
No Third Faucet Hassle, Connects Directly to your Kitchen Sink's Cold Water Line
Unlike Carbon Only Filters, The UC-200 is Bacteriostatic and not susceptible to mold or bacteria growth
3 Stage Filtration Process: Micro Sediment Membranes, KDF-55 & Acid Washed Coconut Shell Carbon
Simple to install, 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)!

Description

CuZn's UC-200 Under Counter Water Filter works beneath any home or office sink to filter up to 50,000 gallons of cold water on demand. Replace the UC-200 every 50,000 gallons or 5 years, whichever comes first. In addition to micro sediment membranes, the UC-200 utilizes a patented combination of KDF-55 and virgin acid washed coconut shell carbon filtration medias that have been tested to NSF standard 42 and 61. The UC-200 will remove and or reduce a wide variety of organic and inorganic contaminants including but not limited to: chlorine, soluble heavy metals, lead, herbicides, pesticides, sediment, algae, molds, scale, bad taste, odors, and other undesirable contaminants that may effect the quality of your water supply. And unlike carbon only filters, bacteria can't grow inside the bacteriostatic CuZn Filter. The UC-200 requires virtually no maintenance and installs in about 5 minutes, hooking up to the cold water supply. When you turn on the cold water it's all CuZn pure. New video installation instructions are available, visit our website or search UC-200 Water Filter Install on Youtube. CuZn Water Systems, Est. 1987 UC-200 Features: Capacity: 50000 gallons, Contents: Copper zinc media and acid washed coconut shell carbon. Flow rate: 2 gpm. Product Type: Undersink Water Filtration System. Country of Manufacture: United States. Dimensions: Overall Height Top to Bottom: 15 inch. Overall Width: Side to Side: 4 inch. Overall Depth Front to Back: 4 inch. Overall Product Weight: 7 lbs. Specifications: WaterSense Certified: Yes.

2. iSpring RCC7AK 6-Stage Superb Taste High Capacity Under Sink Reverse Osmosis Drinking Water Filter System with Alkaline Remineralization-Natural pH, White

Feature

6-Stage Alkaline Remineralization Layered Filtration: Exclusively designed to restore the natural alkalinity and mineral balance of water; this reliable and ultra-safe Reverse Osmosis (RO) water filtration system converts your water into clean, pure and healthy drinking water by removing up to 99% of over 1, 000 harmful contaminants like chlorine, fluoride, lead (removes up to 98%), arsenic, asbestos, sodium, calcium and more.
BENEFITS The iSpring RCC7AK water softener includes an additional sixth stage - an Alkaline Remineralization filter which restores healthy minerals and produces a balanced alkalinity which gives your water a more natural taste than regular 5 stage RO water filter the RO membrane removes not only harmful pollutants but also a few helpful minerals As a result a standard 5 stage RO system produces slightly acidic water with a pH of 7 0 or below
FEATURES Beautiful European-Style kitchen faucet Transparent 1st stage housing for easy visual inspection Three extra long life pre-filters to remove large contaminants and protect RO membrane Ultra fine (RO) filter to remove contaminants down to 0 0001 microns fine GAC filter to provide final polishing to the purified water and (AK) filter to finally restore just the right proportion of healthy minerals and a natural alkaline balance The end result is great-tasting bottled-water quality
EASY DO IT YOURSELF INSTALLATION The water purifier is designed for do-it-yourself installation and all necessary parts for installation are included backed by clear well-organized written instructions instructional videos and access to iSpring unparalleled technical support The entire alkaline water filter fits nicely under a standard kitchen sink For leak-free installation simply push tubing inch deep into quick-fitting connectors and lock no threading pipes needed
100% SATISFIED CUSTOMERS RCC7AK from Americas favorite brand of under sink water filter is the No 1 rated reverse osmosis systems in the USA backed by iSpring extended manufacturer upon registration at 123filter DOT com / and lifetime personalized support line 678-261-7611 from Alpharetta GA combined with premium quality components this water filter is to deliver endless bottled quality drinking water right in your home for many years to come eliminating plastic bottles

3. APEC Water Systems ROES-50 Essence Series Top Tier 5-Stage Certified Ultra Safe Reverse Osmosis Drinking Water Filter System

Feature

Supreme quality - designed, engineered, and assembled in USA to guarantee water safety & your health.
Only technology to remove up to 99% of contaminants such as chlorine, taste, odor, VOCs, as well as toxic fluoride, arsenic, lead, nitrates, heavy metals and 1000+ contaminants. Max Total Dissolved Solids - 2000 ppm. Feed Water Pressure 40-85 psi
WQA Certified System. Premium long-lasting filters used to treat tap water, well water. Provide unlimited clean, refreshing crisp tasting water superior to bottled water
America's No.1 rated water filter brand with 20 years of success guaranteeing trouble free, noise-free system for long lasting, dependable, pure drinking water.
System comes with 100% lead-free designer faucet, plus Certified JG Food grade tubing and parts to provide safe, contamination-free pure water.Pipe Size: 1/4 inches
2 year extended manufacturer warranty with registration. System comes with all parts and industry's best instructions and videos for an easy DIY experience.
High quality leak-free quick connect fittings require no extra lock clips to seal leak, and does not rely on water leak detector to protect your home like other brands.

4. APEC Water Systems RO-CTOP Portable Countertop Reverse Osmosis Water Filter System, Installation-Free, fits Most Standard Faucet

Feature

Hooks up to most STANDARD FAUCET in minutes. Just plug and drink! Lightweight, installation-free system. Its NOT compatible with pull-out faucets, special size designer faucets and sprayer faucets
Top rated brand, high performance reverse osmosis drinking water systems
Highest grade 4-Stage ultra-pure system provides refreshing crisp taste superior to bottled water
90 GPD portable system built with high capacity filters for reliable, long lasting performance, works for water pressure 40-80psi
Perfect for apartments, condos, motor homes, retirement homes, seniors, students & travelers

5. APEC Water Systems RO-CTOP-PH Alkaline Mineral Portable Countertop Reverse Osmosis Water Filter System PH+, Installation-Free, fits most STANDARD FAUCET

Feature

Hooks up to most STANDARD FAUCET in minutes. Just plug and drink! Lightweight, installation-free system. Its NOT compatible with pull-out faucets, special size designer faucets and sprayer faucets
Top rated brand, high performance reverse osmosis drinking water systems, 100% US Made High Purity Calcium Carbonate to Safely Raise pH
Highest grade 4-Stage ultra-pure system provides refreshing crisp taste superior to bottled water
Designed aluminum case for better looking, 90 GPD portable system built with high capacity filters for reliable, long lasting performance, works for water pressure 40-80psi
Perfect for apartments, condos, motor homes, retirement homes, seniors, students & travelers

6. Frizzlife Reverse Osmosis Water Filtration System - Countertop RO Water Filter, 4 Stage, Tankless, TDS and Filter Life Monitoring, Drain Water Recycle (Water Utilization 5:1), RO System Certified

Feature

BEST-IN-CLASS REMOVING CAPACITY & PREMIUM QUALITY: Frizzlife RO water filter system removes up to 99.99% of over 1,000 contaminants, including LEAD, CHLORINE, FLUORIDE, Heavy Metals, mercury, chloramine, chromium, arsenic, radium, asbestos and much more. 0.0001um filtration accuracy Reverse Osmosis membrane guarantees the premium quality. Enjoy ultra-pure drinking water every time you press the button.
ECONOMIC & ENVIRONMENT-FRIENDLY: Backed by advanced drain water recycle technology, pure water to drain water ratio can reach to 5:1, it saves water waste up to 1500% compare to conventional RO systems, Promises almost every drop of ultra-pure drinking water is going to your glass. Low filter replacement costs mean each 330ml cup of RO water is much cheaper than bottled water in the same volume!
PORTABILITY & STYLISH DESIGN: Place and move Frizzlife countertop drinking water purifier to anywhere in need with power supply available, including office, kitchen, bedroom and more. The tankless, compact, modern and stylish design can nicely fit and match your dcor and delight your countertop! You can press the button to select cup size of 150ml, 250ml, 330ml or continuous.
INSTALLATION FREE & EASY-TO-CHANGE FILTERS: The fully-assembled Frizzlife RO water filter requires ZERO installation, all you need is to plug it in. The twist-in filter system makes the filter replacement a breeze and NO TOOLS required. The hassle-free and tool-free installation and replacement save your time and energy of choosing a DIY water filter with messy hoses leaving you a headache task.
FORGET THE GUESSWORK: the built-in smart screen plays a role as a reliable and intelligent indicator. It clearly tells the real-time in and out TDS, as well as the remaining lifespan of each filter cartridge. The red change water warning light will automatically turn on when it is time to refill your filling tank. Your worry-free life is our concern.

7. Brondell H630 H2O+ Cypress Countertop Water Filter System, 11.5x11x4.25, White/Black

Feature

POWERFUL FILTRATION: three-stage patented Nanotrap technology delivers high quality filtration usually found only in more complex under-counter systems
CONVENIENT FAUCET ATTACHMENT: easily attaches to your faucet without compromising power of filtration, fits most faucets with provided adapters
INSPIRED DESIGN: elegant and slim profile countertop design with ergonomic push-button control for dispensing water
INDEPENDENT LAB TESTED and CERTIFIED: by WQA (Water Quality Association) for NSF/ANSI Standards 42, 53, and 372
EASY INSTALLATION: can be installed in under 10 minutes, filter replacement is quick and simple;Do not use with water that is microbiologically unsafe or unknown quality without adequate disinfection before or after the system
CONTINUOUS FILTERED WATER: water dispensed continuously at the push of a button without wastewater like complex RO systems

8. Countertop Portable Universal 5-Stage Reverse Osmosis RO Purification Water System with DI Deionizing Mixed Bed (Close to 0 PPM) postfilter, Build in USA

Feature

The Reverse Osmosis Revolution System easily attaches to your kitchen faucet without the need for plumber. Ideal portable solution for your apartment, home, RVs, aquarium or during your travel time.
Universal 5-stage DI 0PPM Reverse Osmosis System, 75 GPD High Quality RO membrane
This RO System delivers approximately 3 gallons of pure, clean water per hour. Made in USA.
Elements and the Percent Membranes will remove: Arsenic (93%-96%), Aluminum (86%-90%), Bicarbonate (90%), Cyanide (93%), Chloride (85%-92%), Calcium (94%-98%), Sodium (86.5%-93%), Sulfate (96%-98%), Potassium (84%-95%), Barium (95%-98%), Iron (94%-98%), Nitrate (60%-76%), Mercury (94%-98%), Zink (95%-98%), Selenium (94%-96%), Lead (95%-98%), Phosphate (94%), Magnesium (98%), Fluoride (82%-92%), Nickel (96%), Cadmium (96%), Detergent (97%), Herbicides (97%), Insectecides (97%), Strontium (96%).
Comes with chrome metal 2-way diverter for kitchen faucets by default. Fit 96% of all kitchen faucets (female or male type of spout). If you want to connect RO to garden/laundry hose, you will need specify that in Customer Notes. We will replace 2-way diverter with garden/laundry hose adapter.

9. APEC FILTER-MAXCTOP US MADE 90 GPD Complete Replacement Filter Set for ULTIMATE Series Countertop Reverse Osmosis Water Filter System

Feature

APEC Water ULTIMATE Series FILTER-MAXCTOP is for RO-CTOP
Includes (1) sediment, (2) coconut shell carbon, and (1) Dow Filmtec Membrane
Filmtec 90 GPD membrane is individually lab tested to the highest rejection rate
Certified to remove up to 99% of all contaminants for the best drinking water quality possible
APEC's extruded carbon filters far surpass any other filters in performance and absorptive capacity; in addition they do not leak carbon fines

10. APEC Water Systems FILTER-SET-CTOP-PH US Made Replacement Filter Set For Ultimate Series Countertop Alkaline Reverse Osmosis Water Filter System Stage 1, 2&4

Feature

APEC water ultimate series FILTER-SET-CTOP-PH is for RO-CTOP-PH
1st stage sediment filter to remove dust, particles, and rust
2nd stage coconut shell Carbon filter to remove chlorine, tastes, odors, cloudiness and colors
4th stage ph+ calcium carbonate re-mineralization filter
APEC's extruded Carbon filters far surpass any other filters in performance and absorptive capacity; in addition they DO not leak Carbon fines

11. PureDrop CUW4 Aquacube Tankless Drinking Water Filter System Compact Ultra Filtration for Sink, RV, and More, White

Feature

Cut hassles, not corners with a typical installation time of less than 30 minutes. The unique design of the integrated water route reduces installation time dramatically, and the click-on filter installation ensures easy installation and maintenance.
Enjoy safer, healthier, better-tasting water. The superior 4-stage multipurpose water filtration system with its 0. 01 micron Ultra Filtration (UF) stage removes up to 99% of most problematic pollutants, including chlorine and chlorine treatment by-products, lead, arsenic, and much more while retaining healthy minerals.
Stay informed on your filters status with the integrated LED filter change indicator. Just press and hold both buttons to start.
Save space under the counter. The elegant, compact design needs no tank, wastes no water, and provides ultra-quiet operation.
Enjoy a faster water flow (0. 32-0. 5 GPM vs 0. 03 GPM with traditional reverse osmosis systems). The unit can be placed under the sink or connected to your refrigerator(ICEK needed).
Expect the highest standards of safety and water quality. All filters, tubing and other water-contacting parts are manufactured to comply strictly with FDA and NSF/ANSI standards.
Look to a dedicated support team based in in Atlanta, GA and available at 678-900-4702 to provide lifetime technical support.

12. KFLOW Countertop RO Water Filter, Reverse Osmosis Water Filter System, Tankless Water Purifier with Precise 4-Stage Multi Filtration Tech and Filter Life Monitor, Zero Installation (KFL-ROPOT-180)

Feature

EXCELLENT PERFORMANCE: 4-stage filter system blocks impurity and transforms ordinary tap water into clean drinking water, making water taste crisp. Reverse Osmosis membrane with 0.0001um filtration accuracy removes 99.99% of 1,000 contaminants, including LEAD, CHLORINE, FLUORIDE, Heavy Metals, mercury, chloramine, chromium, arsenic, radium. Besides, the desalination rate reaches 96.8%. Invest your family's health with a true RO system.
MUCH MORE EFFECTIVE: Compared to conventional high-consumption under-sink RO filter system, KFLOW adopts RECYCLING MULTI-FILTRATION TECH. The water left after filtering is not hastily classified as waste water, but will be recycled for the next round filtration with adding water, which makes this water purifer saves water by 300% as to reduce the money on bottle water. (It's recommended to circulate no more than 4 time water before entire tank of fresh water needs to be added.)
REPLACEMENT IN 3 SECONDS: Electronic filter indicator could remind you the remaining life of filter and notify you when filter needs to be replaced. Spiraled filter system makes the filter replacement easy thing and NO TOOLS required. Reverse osmosis filter can be used for 2 years, PPF filter, front and rear carbon block filter can be used for 1 year. Search for Replacement Cartridge: ASIN#B0816TJ436, #B0816T8K1H, #B087WLBY4M, #B0816TRX4T. Replacement Carafes for #B084WY84T9.
CE STANDARD CERTIFICATION: All materials of this countertop water filter are food-grade-level standard. This water filter is certified by European Conformity. The impurities elimination rate of this Reverse Osmosis Water filter is far better than any counterpart in water purification market, which meets the food safety standard and human health requirement. Besides, creative water carafe prevents from secondary pollution. Your health is always what we focus on.
FREE INSTALLATION & PORTABILITY: With hassle free installation, unique watertank and no plumbing required design, it is not limited by water source. You can place and move KFLOW water filter to anywhere with power supply available. Plug and use! What's more? Elegant appearance fits your home decoration and delights your countertop! Suitable for bedroom, living room, kitchen, office and RV. It can be the combination of drinking dispenser, under-sink filtration and filter pot.

13. Countertop Reverse Osmosis Water Filtration System 4 Stage RO Water Filter with Faucet Simple Set Up Faucet Filter Express Water

Feature

The Easiest to Install - Our easy quick four point set up means youre up and running fast
A Healthy Life Made Easy - How water SHOULD taste! Remove up to 99.99% of major contaminants
Help Has Arrived - Support from experts who can answer any of your questions about your homes water
Fully Compatible - Fits most standard faucet types, includes adapters for the 3 most common faucets
Simply Pure - Removes fluoride, lead, chlorine, chromium, calcium, nitrates, bacteria, viruses, more

14. SimPure Y6 UV Sterilization Reverse Osmosis Water Filtration System, Countertop RO Water Filter, Dual Filter 3 Stages System, Better Taste and Smell (No Installation and Plumbing Required)

Feature

Reverse Osmosis beats contaminants - Tested against NSF standards. SimPure Y6 Counter Top RO Water Purifier converts your water into clean, pure and healthy drinking water by remove 99.9% of the more than 1,000 pollutants & harmful substance including viruses, bacteria, fluoride, Chlorine, TDS, limescale, heavy metals, Cysts, Lead, Chromium, etc. Taste the Difference!
UV Purification System - UV is one of only 4 methods approved for disinfection by the FDA. SimPure UV purification system combined with 3 stages RO water system, can take water purification to another level and are a safe solution to remove harmful microorganisms from your water. Also, PPC Filter contains high-precision activated carbon granules made from natural coconut shell, which will provide you with crisp and sweet healthy drinking water.
No Installation Required - Plug-in and you'll have purified water right away. Compared to traditional Under-Sink Filtration, SimPure Y6 free installation and no plumbing required design. It also has a 5L removable watertank with a 1.5L internal pure water storage. Free from water source and space constraints, perfect for kitchen, bedroom, office, lobby, restaurant, Outdoor RV etc...Meet the drinking needs of anyone, anywhere.
HIGH EFFICIENCY IN WATER PURIFYING - 5:1 drain ratio by the Advanced Drain Water Recyle Technology, can save your water up to 1500% compared with conventional RO filter systems on market! Also, it can purify 1.5L tap-water into pure water in few minutes. There is no more waiting for a pure drink. And the twist-in and non-leakage filter system disign, make you easy to change the filter and no tools required.
SERVING USA SINCE 2006 - Seattle, WA USA 1-866-528-4572, SimPure dedicated in providing world class quality of water filtration solutions, and industry leading warranty and services. With 30 days no-hassle return, and 1-year satisfaction guarantee. (Please scroll down for replacement filter purchase options)

15. SimPure Y5 Instant Heat Reverse Osmosis Water Filtration System - 4 Stage Countertop RO Water Filter with 4 Temperature Settings - 5:1 Drain Ratio (No Installation and Plumbing Required)

Feature

SAY GOODBYE TO BOTTLED WATER - Tested against NSF standards. SimPure Y5 Countertop RO water purifier uses four further filtration effectively remove 99.99% of pollutants & harmful substance in your tap water including fluoride, Chlorine, TDS, limescale, Bacteria, heavy metals, Cysts, Viruses, Lead, Chromium, etc...Taste the Difference!
4 TEMPERATURE SETTING WITH INSTANT HEAT - Enjoy pure water and various drinks without adjust water temperature. Accurately set 4 temperature modes: Room Temp, Formula(Milk Powder), Tea, Coffee. Single push-button to dispense a cup or glass of purified water. Why wait for your Kettle to boil again when you have instant hot water available.
NO INSTALLATION REQUIRED - Plug-in and you'll have purified water right away. Compared to traditional Under-Sink Filtration, SimPure Countertop Water Filter free installation, no plumbing required design. It also has a 5L removable watertank with a 1.5L internal pure water storage. Free from water source and space constraints, perfect for kitchen, bedroom, office, lobby, restaurant, Outdoor RV etc...Meet the drinking needs of anyone, anywhere.
A TRULY SMART SYSTEM - Water quality indicator and filter replacement alert allow you to directly monitor the water quality, and the lifespan of the filters. The pure water to drained water ratio can reach to 5:1 by the Recycling Multi-filtration Tech. Can purify 1.5L tap-water into pure water in few minutes. There is no more waiting for a pure drink.
SERVING USA SINCE 2006 - Seattle, WA USA 1-866-528-4572, SimPure dedicated in providing world class quality of water filtration solutions, and industry leading warranty and services. With 30 days no-hassle return, and 1-year satisfaction guarantee. (Please scroll down for replacement filter purchase options)

Conclusion

All above are our suggestions for countertop water filter ro. This might not suit you, so we prefer that you read all detail information also customer reviews to choose yours. Please also help to share your experience when using countertop water filter ro with us by comment in this post. Thank you!
Sabine M Busch