Our Top 10 Recommendations for Whole House Reverse Osmosis Water Filters
Up-to-date pricing and reviews for whole house reverse osmosis water filters on the market
Bestseller No. 1
iSpring RCS5T 500GPD Commercial Tankless Reverse Osmosis RO Water Filter System with 1:1 Drain Ratio
- SUPERIOR 5-STAGE FILTRATION: 1st PP Sediment Filter (removes larger particles like rust, sand and dirt.) 2nd GAC Filter (effectively adsorb free chlorine, humus, disinfection byproducts, smells, discoloration.) 3rd Carbon Block Filter (removes any residual chlorine, tastes & odors, also extending membrane's life.) 4th Dual-Flow RO Membrane (removes heavy metals & other harmful substances.) 5th Post Carbon filter (removes chlorine, tastes, and odors.)
- GREAT CAPACITY: Advanced Dual-Flow 500GPD membrane saves 60% of water, with LOW WASTE 1:1 drain to clean water ratio. Great for light commercial in Restaurants, Salons, Labs, and Offices all benefit in their ways from high-quality RO water.
- HIGH EFFICIENCY BOOSTER PUMP: No worries for low water pressure. Built in booster pump increases the production of purified water by raising the water pressure and maximizes RO production rate to the optimal level for the reverse osmosis process.
- FEATURES: Come with chrome drinking water faucet with 360° free swivel and easy to read water pressure gauge.
- EASY-TO-INSTALL AND REPLACE FILTER: Typically, in a couple of hours with industry-leading help just a phone call away with well-organized instructions and videos. Clear see-through 1st stage housing makes filter inspection a snap.
SaleBestseller No. 2
iSpring WGB32B 3-Stage Whole House Water Filtration System w/ 20” x 4.5” Big Blue Fine Sediment and Carbon Block Filters
- Protect Your Family and Household Appliance from Sediment, Chlorine, and More: Say goodbye to smelly, bad tasting water! Our system removes up to 99% of chlorine from water as well as up to 95% of sediment, rust, pesticides, herbicides, industrial solvents, VOCs, and various other contaminants. This system is installed at the main water supply line in order to treat all the water in your home.
- DIY Installation and Maintenance: Refer to our manual and our helpful YouTube videos for easy DIY installation. With 1” NPT inlet / outlet and Big Blue 20” x 4.5” filter cartridges, the system has minimum impact on water flow (up to 15 GPM) and requires minimum maintenance.
- Top-Notch Quality: The first stage high capacity polypropylene sediment filter is able to achieve filtration down to 5 microns. The second and third stage CTO Carbon Block filters are made of high quality coconut shell carbon for maximum filtration efficiency and filter life. Both are tested by an independent third-party to meet NSF/ANSI standards. The system has a capacity of 100,000 gallons of water, enough to supply a family of four with clean water for a full year.
- Peace of Mind Customer Service: Register online to activate your extended manufacturer warranty and life-time free tech support from U.S. local support team. We stand behind our products and if you encounter any problems with any of our products please reach out to us immediately. We are happy to help!
- Please Note: Unlike an RO system, this system will NOT reduce Total Dissolved Solids (TDS), and instead keeps healthy minerals in your water. If you are interested in a filter that removes TDS, consider our iSpring Reverse Osmosis (RO) systems.
SaleBestseller No. 3
3M Aqua-Pure Whole House Sanitary Quick Change Water Filter System AP904, Reduces Sediment, Chlorine Taste and Odor, and Scale
- CLEARLY GREAT WATER: This whole house water filter reduces sediment build-up, chlorine taste and odor as well as scale* – helping to increase the life of hot water heaters and appliances (dishwashers, clothes washers, etc).
- EASY TO REPLACE: Sanitary Quick Change (SQC) design allows for fast and easy change-outs of the 3M Aqua-Pure AP917HD-S Replacement Water Filter Cartridge without having to contact the filter media or the need for a filter wrench.
- 100,000 GALLON CAPACITY: Replacement cartridge has an activated carbon filter with nominal heavy duty particulate reduction rating of 5 microns and a 100,000 gallon capacity at high flow rates of 10 gpm and even at intermittent peak flow rates of 20 gpm.**
- FLOW RATE: 1” inlet and outlet connections to help a plumbing professional with easy installation and peak flow rates up to 20 gpm to meet the water pressure demands of most homes.
- CORROSION RESISTANT: 304 stainless steel head can be installed on existing copper pipes in the home. It consists of a corrosion resistant material that provides long service life.Fitting Type: NPT Female
Bestseller No. 4
iSpring RCC7AK 6-Stage Superb Taste High Capacity Under Sink Reverse Osmosis Drinking Water Filter System with Alkaline Remineralization - Natural pH
- 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, giardia, 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 warranty upon registration at 123filter DOT com / warranty 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
Bestseller No. 5
Express Water Heavy Metal Whole House Water Filter – 3 Stage Home Water Filtration System – Sediment, KDF, Carbon Filters – includes Pressure Gauges, Easy Release, and 1” Inch Connections
- Take the Contaminants Out of Your Home - Drink from any faucet without fear when we remove Chlorine, Iron, Rust, Lead, Pesticides, Mercury, Dirt, Sand, Viruses, Fungi, Sulfur, Insecticides, Chloramine, Silt, Turbidity, Aluminum, Copper, Volatile Organic Chemicals (VOC), Herbicides, Cadmium, Copper, Hydrogen Sulfate, Nickel, Chromium, Cloudiness, and Odors
- Exactly what you need - Get clean water from any faucet. All our filters are specially engineered to work together, producing the safest water for home use
- Clearly Easy - A clear first stage housing lets you easily monitor your system and see when you need to replace your filters
- Don’t Waste Time on Maintenance - Our quick and easy to understand design means you can swap out filters quick and easy
- Quality Guaranteed - Rest easy with our 1 year warranty on all Express Water Systems and free lifetime support
Bestseller No. 6
iSpring RCB3P 300 GPD Light Commercial Reverse Osmosis RO Water Filter System with Booster Pump, Pressure Gauge
- High capacity Reverse Osmosis systems removes up to 99% of over 1, 000 contaminants and hardness, including lead (removes up to 98% of lead), chlorine, fluoride, arsenic, calcium, sodium and more.
- Super-efficient RO membranes combine to provide up to 300 gallons of purified reverse osmosis water daily. Rejects wide spectrum of impurities down to .0001 micron.
- Built in booster pump increases the production of purified water by raising the water pressure. Compatible with 11 or 20 gallon iSpring storage tank. TANK NOT INCLUDED.
- Freestanding Stainless Steel Frame and Metal hanging bracket. Makes your installation and filter changes easier while adding a protective buffer for your system. Great for light commercial use in Restaurants, salons, labs, and offices all benefit in their own ways from high quality RO water.
- 40 - 100F, 25 - 90 psi, Extended manufacturer warranty, Support at 123filter dot com, 678-261-7611, Alpharetta GA
Bestseller No. 7
iSpring WGB21B 2-Stage Heavy Duty Whole House Water Filtration System, 10"x4.5" Big Blue Sediment Filter and CTO(Chlorine, Taste, and Odor) Filter, 1" Inlet/Outlet
- Two-Stage Effective Filtration: 1st-Stage premium 5-micron polypropylene sediment filter (FP15B) captures dirt, sand, silt, dust, rust, and scale particles and extends the life of CTO carbon block filter. Using high quality coconut shell carbon and highly compact fabrication tech, 2nd-stage CTO filter(FC15B) knocks out cloudiness as well as bad tastes and odors, removes over 90% of chlorine, and is highly effective on VOCs like pesticides, herbicides, and industrial solvents.
- Superb Filtration Capacity: 10"x4.5" replaceable whole house water filters can provide up to a full year of clean water(up to 50,000 gallons) for a family of four. 1-inch inlet and outlet ports allow fast water flow with less pressure loss. Fine PP sediment filter and premium quality CTO filter not only bring clean and fresh water to every faucet in your house, but also help prolong the lives of your water-using appliances and protect plumbing from sediment and scale buildup.
- Easy Installation and Filter Change: The system comes pre-assembled onto the mounting bracket for a streamlined, DIY installation. Filter wrench included to make routine filter changes easy and quick. A pressure release valve allows for the release of built-up pressure when changing filters. Refer to our manual and/or YouTube videos to Install this point-of-entry (POE) filtration system at the main water supply to get clean and healthy water for the entire family.
- Top-Notch Customer Service: Backed by a 30-day money-back guarantee and extended manufacturer warranty upon warranty registration at iSpring. Lifetime tech support(678-261-7611) from Alpharetta, GA USA.
- TDS Note: Unlike an RO system, this system will NOT reduce Total Dissolved Solids (TDS), and instead keeps healthy minerals in your water. If you are interested in a filter that removes TDS, consider our iSpring Reverse Osmosis (RO) systems.
Bestseller No. 8
Express Water – 25 Pack Activated Carbon Block ACB Water Filter Replacement – 5 Micron, 10 inch Filter – Under Sink and Reverse Osmosis System
- Protect your Water - Removes Chlorine, Pesticides, Total Organic Carbon (TOC), Bad Taste, Odor, Fine Sediments, and Industrial Solvents
- High Standard Filtration - Verified by independent laboratory testing to meet NSF / ANSI 58 Standard
- The Best Filtration - Efficiently packed carbon granules create full coverage filtration which means your filter lasts longer
- Universal Standard Size - 5 Micron Activated Carbon Block (ACB) Filter, 9. 75” x 2. 5” size fits all 10” filters
- Made to Last - Airtight vacuum sealed packaging prevents spoiling of your filter
Bestseller No. 9
APEC Top Tier Supreme Certified Alkaline Mineral pH+ High Output 90 GPD 6-Stage Ultra Safe Reverse Osmosis Drinking Water Filter System (ULTIMATE RO-PH90)
- SUPREME QUALITY: Built with super long-lasting 100% US MADE filters, RO-PH90 is the most durable system in the industry that lasts for decades. System is designed, engineered and assembled in USA to guarantee water safety & your health
- HIGH PERFORMANCE: Guaranteed to remove up to 99% of contaminants including arsenic, chlorine, lead, fluoride, heavy metals, bacteria, virus and 1000+ contaminants. Provides unlimited ultra-fresh, clean, great tasting water right at home. Save money, time and hassle of buying costly, bottled water
- WQA Certified: RO-PH90 is tested and certified by WQA to remove up to 99% of contaminants including arsenic, chlorine, lead, fluoride, heavy metals, bacteria, virus and 1000+ contaminants
- pH Enhanced: Add 100% US-Made high-purity calcium carbonate to effectively raise pH in the water for those who desire alkaline water
- EQUIPPED WITH PREMIUM FAUCET & PARTS: Comes with 100% metal, 100% lead-free luxury designer faucet, plus FDA Certified JG Food grade tubing to provide safe, contamination-free pure water. The original, top-notch JG Quick Connect fittings for easy and secure leak-seal
Bestseller No. 10
Aquasana Whole House Water Filter System w/ UV Purifier & Salt-Free Descaler - Filters Sediment & 97% Of Chlorine - Carbon & KDF Home Water Filtration
- Clean, Great Tasting Water From Every Tap In Your Home - Removes 97% of chlorine, 99. 9% of viruses and bacteria and reduces harmful contaminants like lead, mercury, herbicides, pesticides, VOCs, and more
- High-Performance Filter System - Carbon & KDF filtration media combined with UV purifier and Scale Control Media (SCM) salt-free technology engineered to maximize contaminant reduction while leaving healthy minerals in your water. This system will NOT reduce Total Dissolved Solids (TDS)
- Cost Efficient & Long Lasting - Clean water for less than $0. 01 a gallon - Save twice as much compared to other brands on purified water for 1 million gallons or 10 years
- Easy Maintenance - No draining or back flushing needed - Easily replace pre and post filters every 3 months for best filtration and flow rate
- Top-Grade Install Kit & Components - System includes filter tank, conditioner tank, UV filter, 20" pre-filter, post-filter, brass fittings for 1'' or 3/4'' pipes, bend supports, and shut-off valves – Item may ship in more than one box and may arrive separately