10 Best Home Water Filter System of December 2025

• [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 organic compounds like 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 Atlanta, 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 such as RCC7 series and/or tankless RO system RO500.

iSpring

• Take the Contaminants Out of Your Home - Drink from any faucet without fear when we remove Scale, Chlorine, Algae, Rust, Pesticides, Dirt, Sand, Insecticides, Silt, Turbidity, Volatile Organic Chemicals (VOC), Herbicides, 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

Express Water

• 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 : Rest easy with our 1-year 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
• 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
• On Demand Support: Support from experts who can answer any of your questions about your new water filter
• Help Has Arrived - Support from experts who can answer any of your questions about your home’s water
• Love your water - Environmentally friendly coconut carbon filters give unequalled quality and a clear natural taste

Express Water

• Whole house water filtration system with 1" stainless steel reinforced inlet/outlet connectors
• Perfect for residential homes, helps protect appliances and pluming from sediment and scale
• Features bypass shut off valve, integrated bracket design and battery operated filter change timer
• Reduces: sediment, rust, scale, dirt, coarse sand, sand, fine sand, silt, bad taste, odor, aesthetic chlorine taste and odor (depending on filter cartridge)
• The WH-HD200-C housing has been tested and certified by WQA against NSF/ANSI 372 for low lead compliance, CSA B483.1 and NSF/ANSI 42 for material safety and structural integrity requirements only
• Includes: WR-HD housing wrench, mounting bracket, filter life monitor and filter monitor battery
• Compatible with Culligan filter cartridges: R50-BBSA, CW25-BBS, CP5-BBS, CW5-BBS, RFC-BBSA

Culligan

• 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.

iSpring

• Take the Contaminants Out of Your Home - Drink from any faucet without fear when we remove Chlorine, Rust, Pesticides, Dirt, Sand, Insecticides, Silt, Turbidity, Volatile Organic Chemicals (VOC), Herbicides, 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

Express Water

• 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.

APEC Water Systems

• 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 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

iSpring

• 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

Express Water

• Protect your family and household appliance from iron, manganese and more; our 3rd stage filter (FM25B) is specially designed for iron and manganese removal, reducing iron (MAX 3.0 ppm down to 0.01 ppm) and manganese (MAX 1.0 ppm down to 0.01 ppm); our filter lasts up to 3 times longer than greensand due to the catalytic media not being consumed in the process; the system also removes sediment, chlorine, rust, pesticides, herbicides, industrial solvents, VOCs and various other contaminants
• DIY installation and maintenance - refer to our manual and our helpful YouTube videos for easy DIY installation. With 1 in. NPT inlet / outlet and big blue 20 in. x 4.5 in. 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 stage CTO Carbon Block filter is 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. Both filters have a capacity of 100,000 Gal. of water, enough to supply a family of four with clean water for a full year; the cartridges are individually wrapped to ensure freshness; please unwrap the cartridges before use
• Peace of mind customer service - register online to activate your 1-year 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 - this system is installed at the main water supply line in order to treat all the water in your home; 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

iSpring