The Best Water Filtration Systems For Home of 2023

Supreme quality - designed, engineered, and assembled in USA to guarantee water safety & your health. WQA certified to provide unlimited clean, refreshing crisp tasting water superior to bottled water

Premium long-lasting filters 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

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. 2 year extended manufacturer warranty is available upon registration

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.

High quality leak-free quick connect fittings require no extra lock clips to seal leak - not relying on water leak detector to protect your home like other brands. Comes with all parts and industry's best instructions and videos for an easy DIY experience.

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.

GREAT-TASTING MINERAL WATER - A standard 5 stage RO system produces slightly acidic water with a pH of 7. 0 or below because the RO membrane removes not only harmful pollutants but also a few helpful minerals. The iSpring RCC7AK Reverse Osmosis water filter includes an additional 6th 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.

LOW MAINTENANCE - 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 TO INSTALL & NO LEAKS - The water purifier is designed for do-it-yourself installation and all necessary parts for installation are included. Backed by clear installation manual, instructional videos, and access to life-time technical support. The entire alkaline water filter fits nicely under a 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 highly rated reverse osmosis systems. Comes with 1-year limited manufacturer warranty 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 waste.

2.25 GALLON CAPACITY- The portable Big Berkey Purification System effortlessly purifies water for about 1-4 people each day. Add additional Black Berkey Purification Elements (the Big Berkey System can hold a maximum of four) to increase the flow rate. The system is just 19.25” tall and 8.5” in diameter.

POWERFUL PURIFICATION- Berkey systems equipped with Black Berkey Purification Elements purify water—not just filter it—by addressing over 200+ contaminants in tap water or raw, untreated freshwater sources like ponds, rivers and streams.

ECONOMICAL, LONG-LASTING- A pair of Black Berkey Purification Elements lasts for up to 6,000 gallons before needing replacement. Each additional pair of elements (sold separately) adds an additional 6,000 gallons of purification power to your system. Black Berkey Purification Elements average just 2 cents per gallon of purified water.

INDEPENDENT TESTING- Berkey by NMCL uses several independent third-party labs to test a broad range of potential contaminants and conducts Extreme Testing for lead and PFCs in order to show the effectiveness of our Black Berkey Purification Elements.

DRINK CONFIDENTLY VIRTUALLY ANYWHERE- No electricity, tools or plumbing required. Travel the world, prepare for emergencies, and take control of your family’s everyday drinking water with your Berkey gravity-fed water filtration system with Black Berkey purification elements. Enjoy delicious, nourishing water from the leader in gravity-fed water solutions.

Whole House Water Filter: Reduce harmful impurities and dangerous heavy metals from your entire home’s water with Express Water’s 3 Stage Heavy Metal Water Filtration System. Heavy Metal Water Filter: Drink the healthiest water on Earth as your home water filter reduces over 80 different impurities from your water

Express Water’s water filtration systems are ready to install with 1” inch standard connections. Easy to Replace Water Filter Cartridges: All Express Water whole house water filter replacement cartridges are designed for quick and easy replacement to keep your system up and running.

Durable Whole House Water Filter: Express Water Whole Home Water Filtration Systems are constructed with standing stainless-steel frames for long term durability and quality.

On Demand Support: Support from experts who can answer any of your questions about your new home water filter. Quality Guaranteed: Rest easy with our 1-year warranty on all Express Water Whole Home Water Systems

Please be informed - this whole house system is installed at the main water supply line for the purpose of treating all incoming water in your home or business. Unlike reverse osmosis systems, this system will NOT reduce Total Dissolved Solids (TDS). If you are searching for a filter that reduces TDS, see our Express Water Reverse Osmosis systems.

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 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 achieves filtration down to 5 microns. The second stage 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.

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. The cartridges are individually wrapped to ensure freshness. Please unwrap the cartridges before use.

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

UV Water Purification System: Powerful UV Sterilization eliminates microorganisms like coliform, E. Coli, viruses, bacteria, microorganisms, and more from your drinking water

Alkaline Water Filter: Alkaline Filtration System with Active Mineral Technology adds Calcium, Potassium, Magnesium, and other minerals to your body needs right in your water

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 Alkaline UV water filter system, 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

On Demand Support: Support from experts who can answer any of your questions about your new water filter

Included Components: Ultraviolet Sterilizer Uv Bulb 4 Gallon Water Storage Tank Tank Valve & More

【Innovative multistage filtration】The Waterdrop Direct Connect Undersink Water Filtration System uses innovative multistage filtration. And it can effectively reduces chlorine, heavy metals, chemical iṁpurity, sediment and other large particles.[2] Use activated carbon block and other advanced filter media ensure efficient and safe filtration. Meanwhile, KDF effectively keep filter sanitary. Enjoy healthy and pure water straight from your tap – no need to buy bottled water anymore!

【NSF certified filter】Specially selected premium materials are lead-free, which is fully certified by the WQA against NSF 372 standard. Tested against NSF 42 standards, it effectively reduces chlorine, taste and odor. The BPA-free, lead-free material ensures more reliable use from the inside out. To look over the 42&372 certification of this product, please search "EWF-8016S" on WQA official website.

【Premium dedicated faucet】 The undersink water filtration system comes with a lead-free brushed stainless steel faucet. For separate drinking faucet you already have, WD-15UC system ( Search ASIN: B085G9T9TB ) would be a better choice.

【Easy installation】 This 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.

【Fast flow rate & multiple uses】 The tested full flow rate of this undersink water filtration system is 0.75 gpm at 60 psi. The fast and stable water supply provides pure and fresh water that tastes like spring water. Developed for household and commercial use, Waterdrop Undersink Water Filtration System can be installed in your kitchen, RV, or office to meet your daily water needs. With its exquisite design and small size, it is the best choice for a rented apartment.

【Ultra-long service life】When used with municipal water, each filter has a maximum service life of 36 months or 19,000 gallons.[1]

【Innovative multistage filtration】The Waterdrop Direct Connect Undersink Water Filtration System uses innovative multistage filtration. And it can effectively reduces chlorine, heavy metals, chemical iṁpurity, sediment and other large particles.[2] Enjoy healthy and pure water straight from your tap – no need to buy bottled water anymore!

【NSF certified filter】Specially selected premium materials are lead-free, which is fully certified by the WQA against NSF 372 standard. KDF effectively keep filter sanitary. Tested against NSF 42 standards, it effectively reduces chlorine, taste and odor. The BPA-free, lead-free material ensures more reliable use from the inside out. To look over the 42&372 certification of this product, please search "EWF-8018S" on WQA official website.

【Easy installation】The 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 uses】 The fast and stable water supply provides pure water that tastes like spring water. The tested full flow rate is 0.75 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. With its exquisite design and small size, it is the best choice for a rented apartment. Ideal for drinking, cooking, skincare, and cleaning.

Three filters are included in the package. Search "Waterdrop WD-G3-W Filter" for replacement filters

[NSF Certified performance]: The system is certified against NSF 58 for TDS reduction. Using reverse osmosis filtration technology with a filtration accuracy of 0. 0001μm, the system can effectively remove most contaminants including fluoride, TDS, limescale, and heavy metals in your tap water. System is also NSF 372 certified for lead free material

[Smart, easy-to-install design]: Waterdrop RO water filtration system is an innovative, all-in-one intelligent water purification system. In just a few minutes, Waterdrop RO system can be installed completely, and in just three seconds, the filter can be changed with one single turn. Installation is that easy

[The first composite filter element]: It is the first smart RO system with composite filters and tankless design in the U. S. market. The three filters provide seven stages of filtration. The pre-sediment and carbon block filter is a 3-in-1 filter that functions as that of three filters combined. The Reverse Osmosis membrane filter adopts an innovative design, and the efficiency of the filter equals more than three stages of filtration. Additionally, the activated carbon block filter uses high-precision activated carbon granules made from natural coconut shell, which will also improve the water taste

[No-tank design]: Use new composite filter element technology to more efficiently filter out harmful substances. The tankless design helps you avoid secondary pollution and enjoy more storage space in your kitchen

[No waiting for clean water]: Thanks to its internal pump, the RO system offers faster water flow (400 gallons per day). The system can filter a cup of water in about 12 seconds. It can produce pure water quickly, thereby meeting the needs of your whole family and even small companies

[1: 1 low drain ratio]: Compared to traditional RO systems, Waterdrop Reverse Osmosis Water Filtration System saves water waste by 300%. Save money on your water bills while running the RO system

[Special notice]: You must fully turn on the faucet and flush the RO system for 30 minutes after installation. The light on the faucet will flash blue during flushing, but once completed, the blue light will stop flashing. The total water capacity will be about 8. 5 gallons and the water will be undrinkable during flushing. To save water, be creative and collect the water for other purposes, such as watering plants

【0.01 μm Ultra Filtration membrane】 This 0.01 micron Ultra Filtration membrane can filter out most of the harmful substances larger than 0.01micron. Including most of chlorine, taste and odor, lead, chloramine, fluoride, heavy metals 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 ultrafiltration membrane design extended service life to 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. In addition, the PP filter is 6 months and the CT filter is 12 months.

【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!

【Easy Installation】 Waterdrop Ultra Filtration system is an innovative, all-in-one intelligent water purification system. The system comes with a stainless steel faucet, a 3/8” inlet hose, a 1/4” outlet hose, a 3/8”-1/2” feed water adapter, and other necessary accessories. In just a few minutes, Waterdrop Ultra Filtration system can be installed completely, and in just three seconds, the filter can be changed with one single twist-pull. Installation is that easy!

MADE IN THE USA - NO PLUMBING REQUIRED – Comes with ‘Direct Connect’ hoses that fit standard 3/8” water valves under US kitchen and bathroom sinks. The 3/8” Direct Connect Hoses are made to install directly to existing cold water valve and faucet stem under your sink. Replacement Cartridges: 1st stage WD-FRM-8K-REP (ASIN B08BZNV16F). 2nd stage WD-S-8K-REP (ASIN B08BZMN7B1).

WQA GOLD SEAL CERTIFIED CARTRIDGE - WD-S-8K Cartridge (2nd Stage Cartridge) is certified by WQA to NSF/ANSI 42 for Chlorine, taste, odor and NSF/ANSI 372 for lead free compliance as verified and substantiated by test data for 8,480 Gallons.

FOR FLUORIDE REMOVAL AND ADVANCED FILTRATION - The Woder WD-D-8K-FRM-ADV-DC removes Fluoride (Up to 95%), Chlorine, Mercury, PFCs, TMHs, VOCs, Glyphosate, Chromium 6, Trihalomethanes, detergent, turbidity, unpleasant odors and tastes.

COST EFFECTIVE UNDERSINK FILTRATION SOLUTION - Woder WD-D-8K-FRM-ADV-DC is priced to deliver the best value available, based on an unbeatable combination of low price, quality, and longer life. ADVANCED SELECTIVE FILTRATION TECHNOLOGY - Removes 99.9% of contaminants, while maintaining essential minerals.

ULTRA HIGH CAPACITY - 1st Stage WD-FRM-8K-REP (Capacity is dependent upon Fluoride levels). 2nd Stage WD-S-8K - 8,480 Gallons. (Capacity is dependent upon local municipal water quality). Flow Rate: 1.32GPM @65psig. EASY INSTALLATION - NO PLUMBING REQUIRED - QUICK CARTRIDGE REPLACEMENT - System comes with automatic shut off valves.

High Anti-Oxidants: The Antioxidant Deluxe Machine uses proprietary antioxidant boost technology to dramatically increase the number of antioxidants, specifically molecular hydrogen, in your water.

7 Healthy Water Options: 4 ionized alkaline continuously variable; 1 non-ionized purified; 2 ionized acidic presets.

Advanced 9-Electroplate Technology: 9 platinum coated titanium, long-life, durable, energy-efficient plates.

Additional Features: Fully variable 3.0 to 11.5 pH; OPR Range +600 to -880mV; intuitive backlit LCD, Lifetime warranty.

Self-Cleaning: Unit cleans itself by reversing the polarity after each use and auto-plate washing itself every 10.5 gal

💧REVERSE OSMOSIS BEATS CONTAMINANTS - Tested against NSF standards. Converts your tap water/well water into pure and healthy drinking water by removing 99.99% of the 1,000+ pollutants & harmful substance including viruses, bacteria, chemicals (PFOA/PFOS, Pharmaceuticals), heavy metals (Lead, Arsenicetc), chlorine, TDS (fluoride, nitrates/nitrites) and etc. Say goodbye to the hidden dangers of tap water and eliminate the need to purchase bottled water for your home.

💧 UV PURIFICATION SYSTEM - Use no chemicals and emits absolutely no by-products, effectively destroying 99.99% of microorganisms, bacteria, germs more thorough sterilization from your water. SimPure UV purification system combined with 3-Stages RO Filtration System, can take water purification to another level. Taste the difference!

💧 NO INSTALLATION REQUIRED - Plug-in and you'll have purified water right away. One full set of quick changing twist-and-seal filters come included it. Get rid of the troubles caused by complicated installation and filter replacement. Compared to traditional Under-Sink Filtration, SimPure Y7 free from water source and space constraints, you can place and move SimPure water purifier to anywhere with power supply available, perfect for kitchen, bedroom, office, lobby, Outdoor RV etc...

💧 HIGH EFFICIENCY IN WATER PURIFYING - 5:1 pure to drain, the lowest drainage ratio of RO system products in the market. Using the Recycling Multi Filtration Technology, can save your water up to 1500%. Your will get a cup of purified water in about 15 sec by the the faster Dispense flow rate (418 GPD). No more wasting money on bottled water, and you’ll be doing your part to save the planet!

💧SERVING USA SINCE 2006 - Seattle, WA USA, SimPure dedicated in providing world-class quality of water filtration solutions. If you are not satisfied with your purchase, then we want to hear from you. Please contact our trained water specialists. And is available to answer any questions during the life of the product. (Please scroll down for replacement filter purchase options).

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

Stylish all metal faucet included in the finish of your choice to match your kitchen decor - 100% lead free

Includes first set of filters and all parts required for DIY installation - no plumber required

Full system NSF certified to standards 42, 53, 401 +P473 - will not leach contaminants back into your water

Instantly Transform Ordinary Tap Water Into Clean, Extraordinary Water - Removes up to 99% of 77 contaminants while leaving healthy minerals so you can drink with confidence. This system will NOT reduce Total Dissolved Solids (TDS).

Reduces up to 99 percent of 65 contaminants including lead, mercury, asbestos, pesticides, pharmaceuticals, chlorine and chloramines. Full system certified to NSF standards 42, 53 and 401

Drink healthier water and use to enjoy better tasting beverages and food. Even your pet can now benefit with chemical-free water

Instant access to healthy water. Keeps you and your family hydrated all day every day. Powers through half a gallon every minute. Includes first set of filters and all parts needed for installation

Only system on the market with Claryum filtration technology that filters out harmful contaminants while retaining natural beneficial minerals for great tasting, healthy water

Instantly Transform Ordinary Tap Water Into Clean, Extraordinary Water - Removes up to 99% of 77 contaminants while leaving healthy minerals so you can drink with confidence. This system will NOT reduce Total Dissolved Solids (TDS).

High Flow Rate - This system powers through a half-gallon of water every minute. No need to wait for clean water compared to traditional drip filters.

Cost Efficient & Long Lasting - The most economical filter on the market at less than 10 cents per gallon filtered. Lasts for 6 months or 600 gallons before a replacement filter is needed.

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 filter and all parts required for DIY Installation - No plumber required.