Our Top 10 Recommendations for Under Sink Reverse Osmosis Water Filters
Up-to-date pricing and reviews for under sink reverse osmosis water filters on the market
Bestseller No. 1
Express Water RO5DX Reverse Osmosis Filtration NSF Certified 5 Stage RO System with Faucet and Tank – Under Sink Water Plus 4 Replacement Filters – 50 GPD, 14 x 15 x 5
- Reverse Osmosis Water Filter: Experience what water should taste like with the Express Water reverse osmosis water filtration system removing up to 99.99% of Lead, Chlorine, Fluoride, Nitrates, Calcium, Arsenic, Bacteria, 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
- Quality Guaranteed: Rest easy with our 1-year warranty on all Express Water Reverse Osmosis Water Systems
- 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
Bestseller No. 2
iSpring RCC7AK, NSF Certified, 6-Stage Superb Taste High Capacity Under Sink Reverse Osmosis Drinking Water Filter System with Alkaline Remineralization-Natural pH, White
- Certified to NSF/ANSI 58, 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, calcium, sodium 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 ½ inch deep into quick-fitting connectors and lock; no threading pipes needed
- 100% SATISFIED CUSTOMERS: RCC7AK from America’s 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 and lifetime personalized support from GA, USA, 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
Bestseller No. 3
APEC Water Systems ROES-50 Essence Series Top Tier 5-Stage Certified Ultra Safe Reverse Osmosis Drinking Water Filter System
- 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
SaleBestseller No. 4
FS-TFC 5-Stage Reverse Osmosis Water Filtration System 100GPD Fast Flow Plus Extra 4 Filter for Free (FS-RO-100G-A)
- Supreme quality - designed, and assembled to guarantee water safety & your health.Remove Rate up to 99.999%，including chlorine, taste, odor, VOCs, as well as toxic fluoride, arsenic, lead, nitrates, heavy metals and 1000+ contaminants.Experience clean, safe, good-tasting water every time you turn on the faucet. Enjoy crystal clear ice cubes, fresher tea and coffee, better tasting foods, healthier baby formula – even better than most bottled water.
- Mini Size -High Flow Designed :Developed for household and commercial use, This Water Filtration System can be installed in your kitchen, bathroom, RV, or office .The tested full flow rate is 18L per hour at 60 Psi,means you can get 1 cup (200ml) of pure,fresh and great tasting water in 5 seconds.Completely satisfied with your daily water needs.
- Easy, do-it-yourself installation, Fits under a standard kitchen sink, with all parts included and clear, well-organized instructions and videos. Don’t need waste money on professional installation. quick and easy-to-understand design means you can install and understand everything about your new water filtration system.
- Money-saving:The Reverse Osmosis System works without electricity and 1: 1 low drain ratio,thereby reducing the amount that you spend on electricity and water.On average, by spending only $50 per year (13 cents per day) for the filter replacement, you and your family can enjoy safe and clean water.
- FS-TFC FILTER LIFETIME WARRANTY: FS-TFC Water Filter cover all manufacturing and other defects with our Lifetime Warranty. If you ever run into any problems with any of our products simply contact us and we will work to make it right.If you don't love your FS-TFC Water Filter,simply return it and we will refund 100% of your purchase.
Bestseller No. 5
Express Water Reverse Osmosis Water Filtration System – 5 Stage RO Water Filter System with Faucet and Tank – Under Sink Water Filter – 50 GPD
- Reverse Osmosis Water Filter: Experience what water should taste like with the Express Water reverse osmosis water filtration system removing up to 99.99% of Lead, Chlorine, Fluoride, Nitrates, Calcium, Arsenic, Bacteria, 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. 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
- On Demand Support: Support from experts who can answer any of your questions about your new water filter. Quality Guaranteed: Rest easy with our 1-year warranty on all Express Water Reverse Osmosis Water Systems
- 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
Bestseller No. 6
iSpring RCC7P Boosted Performance Under Sink 5-Stage Reverse Osmosis Drinking Filtration System with Pump and Ultimate Water Softener, WQA Gold Seal Certified
- Reverse Osmosis produces purified drinking water by pressurizing water molecules through RO membrane and leaving impurities out. RCC7P’s extremely durable electric booster pump ensures high efficiency, reliable, and consistent RO performance regardless of pressure variations; delivering higher throughput with less waste water in comparing to pump less models.
- High Efficiency Reverse Osmosis system for safer, healthier and on-demand drinking water. This under sink mounted water filter and the best water softener removes up to 99% of over 1, 000 contaminants and hardness, including lead (removes up to 98% of lead), chlorine, fluoride, arsenic, hormones, asbestos, calcium, sodium, and more.
- 5-Stage gradient filtration produces great-tasting purified water every time you turn on the faucet right at your kitchen counter – even better than most bottled water. Enjoy crystal clear ice cubes, fresher tea and coffee, better tasting foods, healthier baby formula.
- WQA Certified System with Premium quality components ensure highest reliability and low maintenance for many years to come. Clear see-through 1st stage housing makes filter inspection a snap.
- For indoor use only. Extended Manufacturer upon registration, Support from Atlanta GA
SaleBestseller No. 7
Aquasana OptimH2O Reverse Osmosis Under Sink Water Filter System - Filters 95% Of Fluoride - Kitchen Counter Faucet Filtration - Brushed Nickel - AQ-RO-3.55
- Drink With Confidence Knowing Your Drinking Water Has Been Purified Through Both Reverse Osmosis & Aqua Sana's Claryum Filtration - to filter 95% of fluoride & 97% Of Chlorine, plus 99% of 86 other contaminants, including lead, mercury, asbestos, pharmaceuticals and more.
- One Of A Kind High Performance Filter - The first filter system to combine Reverse Osmosis, advanced Claryum filtration, and Remineralization technology.
- Removes 5x More Contaminants Than Other RO Systems - Tested & proven to provide you with cleaner drinking water than other reverse osmosis filters.
- Easiest Filter Replacement - Replacements are engineered for ease. No need to disconnect hoses or water lines. housing easily twists off for snappy replacement!
- Top-Grade Components - Includes first set of filters, RO tank, faucet and all parts required for DIY installation - No plumber required!
Bestseller No. 8
Frizzlife Alkaline Remineralization Under Sink Water Filtration - 1/4” Quick Connect Post Filter for RO Reverse Osmosis Filter System, 3 Stages, Adjust PH, Restore Essential Minerals, TAM3
- 3-in-1 Compounded Filtration: Frizzlife TAM3 alkaline filter combines Alkaline Particles, Minerals Substances, and Carbon Block in one filter set to alleviate inherited side-effect of conventional reverse osmosis membrane. -- Standard RO system removes not only harmful contaminants but also essential minerals from the water and makes it a bit acidic.
- Balance pH+ Level: Your body tightly regulates the pH value at around 7.4 to maintain overall health whilst the water after RO filtration is slightly acidic. The alkaline layer of TAM3 under sink filtration increases the pH+ value of RO water to over 7.5, which is consistence with your nature body’s ph and is beneficial to your long-term health.
- Restore Essential Minerals & Polish favor: The minerals layer of the filter adds ionically activated elements (such as Zinc,Calcium,Dietary Iron,Magnesium and Potassium) back into RO water, ensuring your daily minerals intake. Please note the minerals may contribute to a HIGHER value of TDS but the treated water is much healthier than pure water with low TDS. Also the carbon block adjusts taste, removes odors and other remaining pollutants of RO water as a final stage.
- 1/4” Universal Compatibility For RO Systems: Frizzlife TAM3 Alkaline Remineralization Filter is not designed to be utilized as an independent water filter but is highly recommended to treat with pure water from RO system. Comes with 1/4” quick connect tubing, which is compatible with most reverse osmosis systems on the market.
- Easy Install & Quick Change & Prolonged Service Life: The TAM3 filter can be easily installed by yourself in a few minutes. No plumbing or extra tools required. Thanks to auto shut-off design, you don’t even need to cut off the water supply when changing the filter. The twist-in design makes the filter replacement a snap. Each filter cartridge can produce 900-1000 gal of mineralized & alkalized water, approximately equals to 1 year usage, 2x longer than the average on market
Bestseller No. 9
NU Aqua Platinum Series Deluxe High Capacity 100GPD 5-Stage Under Sink Reverse Osmosis Ultimate Purifier Drinking Water Filter System - Bonus PPM Meter and Installation DVD
- PREMIUM QUALITY U.S. BRAND: The NU Aqua Platinum Series has gone through rigorous development and testing in our lab to provide consistent great tasting, clean and healthy water on demand. Featuring professional grade high quality quick connect fittings, an elegant NSF 100% lead-free designer faucet to keep your counter top looking great and double o-ring sealed filter housings to provide a guaranteed leak free experience
- HIGH FLOW RATE: At 100GPD this system doubles the output of standard under sink drinking water filtration systems while increasing contaminant rejection rates and providing a taste superior to bottled water this systems 5 stages ensure the highest standard of drinking water quality unparalleled by pitcher filters or countertop purifiers
- FREE BONUS INSTALLATION DVD AND PPM METER: Extremely easy do-it-yourself installation can take less than 1 hour with the provided step by step installation DVD or the easy to follow installation manual. Free Bonus PPM meters allows you test easily test your water quality. Color coded tubing, quick connect fittings and simple design allows the system to fit under standard kitchen sinks
- CUTTING EDGE HYDRACOIL TECHNOLOGY: HydraCoil utilizes a specialty technology manufacturing process for up to 50% cleaner water than comparable systems. Our carbon filters provide a higher absorption rate due to the molecular structure of the pores becoming more permeable which allows even the smallest of particulates to be efficiently removed from your water. This allows the system to provide up to a 99% rejection rate of 1000+ contaminants such as arsenic, chlorine, fluoride, and lead
- INDUSTRY LEADING 5 YEAR WARRANTY: Backed by an industry leading 5 year manufacture warranty and lifetime support the NU Aqua Platinum comes with the industries best support and a satisfaction guarantee
Bestseller No. 10
iSpring RCC7, NSF Certified, High Capacity Under Sink 5-Stage Reverse Osmosis Drinking Filtration System and Ultimate Water Softener, 75 GPD, Brushed Nickel Faucet
- This system is certified to NSF/ANSI 58. High Capacity Reverse Osmosis water filtration for safer, healthier water. This under sink mounted water filter and water softener removes up to 99% of over 1, 000 contaminants, including lead (removes up to 98% of lead), chlorine, fluoride, arsenic, asbestos, calcium, sodium, and more.
- Experience clean, safe, good-tasting water every time you turn on the faucet. Enjoy crystal clear ice cubes, fresher tea and coffee, better tasting foods, healthier baby formula – even better than most bottled water.
- Easy, do-it-yourself installation, typically in a couple of hours with industry-leading help just a phone call away. Fits under a standard kitchen sink, with all parts included and clear, well-organized instructions and videos. For leak-free installation, simply push tubing ½ inch deep into quick-fitting connectors and lock - no threading pipes needed.
- Premium quality components ensure highest reliability and low maintenance for many years to come. Clear see-through 1st stage housing makes filter inspection a snap.
- Features beautiful European-designed brushed nickel all-metal faucet and clear see-through 1st stage housing. Backed by a 1-year Manufacturer with lifetime support from Atlanta, GA USA.