Water Filters, Softeners & Neutralizers

When you need new or replacement filters, you won't find a better selection of water filtration products anywhere on the Internet. From individual filters, membranes, and cartridges to reverse osmosis, water softeners, and whole house filtration systems, PlumbingSupply.com® is your source for water filtration products and thousands of other plumbing-related products!

Not sure where to start? Check out our water filter buying guide for more information

Complete Water Filter Systems

Countertop Drinking Water Filters

Faucet water filterFaucet Attached Filter
with Spout
UV countertop filterUltraviolet Filter
with Spout
Lead Reduction countertop filterLead Reduction Filter
with Spout

Undercounter Drinking Water Filters

Undercounter UV water purification system with faucetUltraviolet Filter with Faucet
Undercounter water filtersBuild-Your-Own Custom Filter Systems
Undercounter 4-stage RO system with faucetWatts 4-Stage Reverse Osmosis System
Undercounter 3-stage RO system with faucetAmerican Plumber Reverse Osmosis System
Quick and Hot instant hot water filter systemInstant Hot Water Filter System with Faucet
Undercounter UV filterUV Filter System
Kwik-Change reverse osmosis systemKwik-Change Reverse Osmosis System by Watts
Drinking water filter faucetDispenser Faucets for Undercounter Filters

Whole House & Commercial Filter Systems

Aqua-Pure whole house filter systemsAqua-Pure Whole
House Filter Systems
American Plumber whole house filter systemAmerican Plumber Whole House Filter Systems
Big Blue filters and housingsBig Blue Heavy Duty Filters
Hot water filtersBuild-Your-Own Custom Hot Water Filter System
High flow UV filter systemHigh Flow UV Systems

Replacement Filter Cartridges, Membranes, Etc.

American Plumber replacement water filtersAmerican Plumber Filter Cartridges
Ametek replacement water filtersAmetek Filter Cartridges
Aqua-Pure/Cuno replacement water filtersAqua-Pure/Cuno Filter Cartridges
Cullingan replacement water filtersCulligan Filter Cartridges
Lead reducing replacement water filterLead Reducing Filter Cartridges
Refrigerator drinking water replacement filterRefrigerator Filters
Icemaker filtersIcemaker Filters
Moen faucet cartridgeMoen Faucet
Cartridges
Replacement RO membraneReverse Osmosis Filters & Membranes
Kiss RO membraneKiss Reverse
Osmosis Parts
UV water filter bulbUV Filter System Replacement Bulbs

Refrigerator Filters by Brand

AmanaAmana Filters
FrigidaireFrigidaire Filters
GEGeneral Electric Filters
Jenn-AirJenn-Air Filters
KenmoreKenmore Filters
KitchenAidKitchenaid Filters
LGLG Filters
MaytagMaytag Filters
PURPUR Filters
SamsungSamsung Filters
WhirlpoolWhirlpool Filters

Specialty Filters & Other Water Treatments

Specialty Filters

Scale inhibitorScale Inhibitors
Filtered shower headShower Filters
Filtered handshowerHandheld Shower Filters
Chlorine bathtub filterFiltered Bath Balls
Bath saltsDechlorinating Bath Salts

Sand Separators & Sediment Filters

Stainless steel SandMaster filterSandMaster & SandMaster PLUS Filters
Sand separatorCentrifugal-Action Sand Separators
Twist II Clean sediment filterTwist to Clean Inline Sediment Filters
Vu-Flow sediment filterVu-Flow Spin Down Sediment Filters
Big Blue sediment filterBig Blue Heavy Duty Sediment Filters

Water Softeners & Acid Neutralizers

Soft Economizer water softenerSoft-Economizer Water Softeners
Dual tank water softenerHigh Flow Dual Tank Water Softeners
Water softener resinWater Softener Resins
Acid neutralizerAcid Neutralizers
Acid neutralizer mediaAcid Neutralizer Replacement Media

Water Filter Help & Information

How to choose a water filterWater Filter Buying Guide
Water filtration FAQsWater Filter FAQ's
Water filter cross reference chartWater Filter Cross Reference Chart
Water filter application guideWater Filter
Application Guide
Common odor problems in waterDealing with Common Odor Problems in Water
The plumber protects the health of the nationThe Importance of Plumbing & Your Health
Installation guide for hot water filter systemInstant Hot Water Filter Installation Guide
Chlorine in drinking waterChlorine in Your Drinking Water
Chlorine removal benefitsBenefits of Chlorine Removal
pH paper valuesWater pH & Your Plumbing
Acid neutralizer FAQsAcid Neutralizer FAQ's
Installing an acid neutralizerHow to Install an Acid Neutralizer
RO FAQsReverse Osmosis FAQ's
Hard water problemsHidden Costs of Hard Water
Water softener FAQsWater Softener FAQ's
Water softener and septic systemsSeptic Systems & Water Softeners
Installing a water softenerHow to Install a Water Softener
Softener media exchange instructionsHow to Transfer Water Softener Media

Water Filter Installation Accessories & Related Items

Push-in fitting
Fittings Poly pipe tubing
Food-Grade Tubing Braided stainless flex
Braided Stainless Steel Flexes Pipe nipple
Pipe Nipples Recirculating pump
On-Demand Hot Water Pumps Instant hot water tank with faucet
Instant Hot Water System Single handle kitchen faucet
Kitchen Faucets Low water pressure problems
How to Increase Low Water Pressure


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