Best Reverse Osmosis Water Softeners in 2026

It is compatible with the RO Pure (WP531411, WP531407) and Pure Plus (WP531417, WP531517) line of reverse osmosis systems but will NOT fit the Watts 1/4 turn Kwik Change reverse osmosis system

Contains one 50 gallon per day semi-permeable membrane which effectively reduces a wide range of contaminants such as lead, arsenic, chromium and more

This membrane water filter is tested against NSF/ANSI 42 for chlorine reduction

No tools required,Push fit fittings

3/8 inch quick connector,valve 2pcs +Tee Union 2pcs +Elbow Union 2pcs +Straight Union 2pcs + Y Type 2pcs.

3/8 inch OD Water Filter Tube, Length 5 Meters.

1/4" Quick and easy connect fitting.

Suitable for most of the reverse osmosis water system.

Automatically turn off the water supply when the tank pressure reaches approximately 65% of the supply water pressure.

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

Top-notch Quality: The o-rings are made of premium materials to make sure that the filters will be properly sealed without any leakage.

Standard Size: The o-rings are 5.8” in diameter and fit most standard whole house water filtration systems.

Please note: The o-rings are for whole house water filtration systems only. If you need replacement o-rings for reverse osmosis (RO) pre-filter housings, please consider iSpring ORFX3

1/4" Quick and easy connect fitting.

Suitable for most of the reverse osmosis water system.

Automatically turn off the water supply when the tank pressure reaches approximately 65% of the supply water pressure.

Perfect for homes with 3 to 4 bathrooms and up to 4 family members, who desires softened water and clean, pure drinking water for the whole family.

Rated to treat 48,000 grains of hardness by removing skin damaging hard minerals like iron and magnesium that clog up the skin pore and cause irritation.

Exceptional performance & high efficient Aquatrol control head and Aquasure reverse osmosis membrane help save water and reduce overall maintenance cost.

Salt-Free Scale Prevention - The AO-WH-DSCLR naturally reduces scale build up in pipes and plumbing using a salt & chemical-free system. No cleaning, backwashing, salt-bags or electricity required.

Works For All Your Water Needs - System works effectively on water for use in drinking, cooking, showering & bathing. Perfect for households of 4 or more people. System will not reduce TDS, sulfur, or iron.

Well Or City Water - Our Whole House Descaler is engineered to work with both well & city water systems.

Pressure range:0-1.6MPa or 0-220PSI

Diameter of gauge:2"

3/8" Quick connect fitting.

💧 Perfectly designed for 4-6 bathrooms homes, the Aquasure Signature Series is the professional grade Whole House Water system that delivers high quality filtered, ultra-softened water to every outlet throughout your entire home. No need for manual regeneration, backwash, draining, this system automatically regenerates and backwash, making it cost efficient and easy to maintain.

💧 Effectively removes water contaminants such as chlorine, VOCs, pesticides, bad odors, bad taste, soil, silt, sand, rust, heavy metals, and sediment. Providing clean, healthy, and great tasting filtered water at all times. Inhibits bacteria growth and algae growth with KDF media while prolonging the lifespan of household appliances such as washing machine, dishwasher, water heater, etc.

💧 Rated to treat up to 64,000 grains of hardness by removing skin damaging hard minerals like calcium and magnesium that clog up the skin pore and causes irritation, dryness, cracked skin and hair. It is engineered for both city and well water. Connects to plumbing up to 1-1/4″ in diameter. Connections out of the softener are 1” high flow threaded ports. Save twice as much compared to other brands on purified water for 1,500,000 gallons.

💎 IMPROVES QUALITY OF HOME DRINKING WATER – with the most advanced Ultraviolet technology, UV water sterilizer system is the most effective disinfection solution especially for well water, it’s safe to drink after the purification. Protects your family from waterborne contaminants

💎 CHEMICAL-FREE WATER TREATMENT – It’s the UV ray technology adapted to this system, no harmful chemicals need to be added. UV is an environmentally friendly alternative to chlorine disinfection and has no disinfection byproducts

💎 POWERFUL, DEPENDABLE & OPERATIONAL – a 1GPM is powerful enough to sanitize water which coming from Reverse Osmosis Unit with membrane up to 100GPD. According to the most lab testing results, UV destroys more than 99% of microorganisms effectively. This UV water treatment system continuously works night and day, 24/7, consistently keeping water safe.

💎 IMPROVES QUALITY OF HOME DRINKING WATER – The RONAQUA utilizes Ultra-Violet light to battle against waterborne pathogens while adding nothing to the water except for UV light.

💎 CHEMICAL-FREE WATER TREATMENT – It’s the UV ray technology adapted to this system, no harmful chemicals need to be added. UV is an environmentally friendly alternative to chlorine disinfection and has no disinfection byproducts

💎 POWERFUL, DEPENDABLE & OPERATIONAL – a 1GPM is powerful enough to sanitize water which coming from Reverse Osmosis Unit with membrane up to 100GPD. According to the most lab testing results, UV destroys more than 99% of microorganisms effectively. This UV water treatment system continuously works night and day, 24/7, consistently keeping water safe.

Reverse Osmosis Filter Replacement: Experience what water should taste like with the Express Water reverse osmosis water filtration system removing up to 99.99% contaminants.

RO Water Filter Replacement: Each Express Water replacement filter is specially designed to work together and compliment each other. Get the cleanest water and the best value in your reverse osmosis water filter.

Granular Activated Carbon Water Filter: Made with 100% laboratory vacuum heated, cleaned coconut husk carbon, Express Water granular activated carbon filters remove chlorine, pesticides, VOC, bad tastes, odors, cloudiness, and industrial solvents.

COMPLETE: 1 Complete 20 inch Big Solid housing, 1"NPT inlet/outlet, with plastic wrench, 4 x screws, and metal bracket

POWERFUL: 1" MNTP Inlet / Outlet, 20”x4.5” Filter Cartridges has minimum impact on water flow. With a large capacity housing it can be used for high flow applications such as city/municipal or well water. Flow rate : 5-15 GPM (Depend on Feed Water Pressure)

RELIABLE: Fits all standard sized 4.5 x 20 inch industry whole house cartridges. All housings come with pressure release button for high pressure making it easier to replace the filter.

💧 Reduces Total Dissolved Solids (TDS) to "0" : The deionization resin is necessary to reduce Total Dissolved Solids (TDS) to zero in the final stage of an RO/DI system. It uses ion exchange to remove TDS from water.

💧 Refillable Cartridges : Cartridge caps unscrew to allow for refilling with Max Water bulk resin.

💧 Quality Tested: We consistently provide products and services that meet customer quality requirements.

Perfect for homes with 1 to 2 bathrooms and up to 3 family members, who desires softened water and clean, pure drinking water for the whole family.

Reduces water bill by removing particles and chemicals at the water source and prolong the life of household appliances.

Rated to treat 32,000 grains of hardness by removing skin damaging hard minerals like iron and magnesium that clog up the skin pore and cause irritation.

Reverse Osmosis Filter Replacement: Experience what water should taste like with the Express Water reverse osmosis water filtration system removing up to 99.99% contaminants.

RO Water Filter Replacement: Each Express Water replacement filter is specially designed to work together and compliment each other. Get the cleanest water and the best value in your reverse osmosis water filter.

Granular Activated Carbon Water Filter: Made with 100% laboratory vacuum heated, cleaned coconut husk carbon, Express Water granular activated carbon filters remove chlorine, pesticides, VOC, bad tastes, odors, cloudiness, and industrial solvents.

COMPLETE: 1 Complete 10 inch big clear housing, 1"NPT inlet/outlet, with plastic wrench, 4 x screws, and metal bracket

POWERFUL: 1" MNTP Inlet / Outlet, 10”x 4.5” Filter Cartridges has minimum impact on water flow. With a large capacity housing it can be used for high flow applications such as city/municipal or well water. Flow rate : 5-15 GPM (Depend on Feed Water Pressure)

RELIABLE: Clear housing allows you to see when you need to change filters. Fits all standard sized 4.5 x 10 inch industry whole house cartridges. All housings come with pressure release button for high pressure making it easier to replace the filter.

Fleck 5600 SXT Metered Softener 48,000 Grain Low Salt and Water Usage

UpFlow Carbon Filter No Backwashing Required Removes Chlorine

5 Stage Reverse Osmosis System 75 gpd Membrane

Fleck 5600 SXT On Demand Digital Metered Water Softener

High Capacity Ion Exchange Resin very efficicient at removing Hardness

Includes free noryl plastic Male Threaded bypass

COMPLETE: 2 Complete 10 inch big clear housing, 1"NPT inlet/outlet, with plastic wrench, 4 x screws, and metal bracket

POWERFUL: 1" MNTP Inlet / Outlet, 10”x 4.5” Filter Cartridges has minimum impact on water flow. With a large capacity housing it can be used for high flow applications such as city/municipal or well water. Flow rate : 5-15 GPM (Depend on Feed Water Pressure)

RELIABLE: Clear housing allows you to see when you need to change filters. Fits all standard sized 4.5 x 10 inch industry whole house cartridges. All housings come with pressure release button for high pressure making it easier to replace the filter.

Fleck 5600 SXT Metered Softener 64,000 Grain Low Salt and Water Usage

UpFlow Carbon Filter No Backwashing Required Removes Chlorine

5 Stage Reverse Osmosis System 75 gpd Membrane

COMPLETE: 1 Complete 20 inch Big Solid housing, 1"NPT inlet/outlet, with plastic wrench, 4 x screws, and metal bracket

POWERFUL: 1" MNTP Inlet / Outlet, 20”x4.5” Filter Cartridges has minimum impact on water flow. With a large capacity housing it can be used for high flow applications such as city/municipal or well water. Flow rate : 5-15 GPM (Depend on Feed Water Pressure)

RELIABLE: Fits all standard sized 4.5 x 20 inch industry whole house cartridges. All housings come with pressure release button for high pressure making it easier to replace the filter.

Perfect for homes with 1 to 2 bathrooms and up to 3 family members, who desires softened water and clean, pure drinking water for the whole family.

Rated to treat 32,000 grains of hardness by removing skin damaging hard minerals like iron and magnesium that clog up the skin pore and cause irritation.

Exceptional performance & high efficient Aquatrol control head and Aquasure reverse osmosis membrane help save water and reduce overall maintenance cost.