Discount Water Filters and Air Filters at Discount Filter Store.com

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Water Filtration Systems & Filters

Discount Filter Store carries a wide variety of water filters and filtration systems to make sure that you have clean water everywhere you need it. We offer camping water filters, RV filters, water bottles for travelers on the go. Purify your office or home’s drinking water with countertop filter systems, commercial grade filters, and whole house filter systems. Our filters are protected by our 100% Price Match Guarantee. We are happy to offer you the lowest possible price on our filters, matching any lower price listed by competitors.

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  1. HSH-C135 Culligan Handheld Filtered Shower Head with Massage

    HSH-C135 Culligan Handheld Filtered Shower Head with Massage

    Fits any standard 1/2-inch threaded shower arm Learn More
    $50.29 MSRP:  $67.99
  2. EV9611-00 Everpure 4H Replacement Filter Cartridge

    EV9611-00 Everpure 4H Replacement Filter Cartridge

    Fits Everpure filter heads including models QL1, QL2, QL3, and QL3B Learn More
    $50.69 MSRP:  $94.99
  3. C-LC 3M Aqua-Pure Undersink Water Filter

    C-LC 3M Aqua-Pure Undersink Water Filter Cartridge

    Fits the 3M Aqua-Pure Easy Drinking Water System, Easy LC and Easy LP Replacement Systems Learn More
    $50.99 MSRP:  $65.54
  4. CB3 OmniFilter Undersink Filter Replacement Cartridge

    CB3-SS6-06 OmniFilter Undersink Filter Replacement Cartridge

    Fits any brand of undersink water filter system that uses standard 9 3/4 x 2 1/2 filter cartridges Learn More
    $50.99
  5. HF8-S Cuno Whole House Filter Replacement Cartridge

    HF8-S Cuno Whole House Water Filter Cartridge

    Fits the Cuno Food Service SF18-S for high-temperature equipment Learn More
    $50.99 MSRP:  $62.09
  6. 1-40101-W Seychelle Family Water Pitcher
  7. HM8-CM Sprite PureMist Filtered Shower Handle - Chrome

    HM8-CM Sprite PureMist Filtered Shower Handle (Chrome)

    Fits most residential showers and baths Learn More
  8. HF-32 Brondell H2O+ Cypress Nanotrap Water Filter

    HF-32 Brondell H2O+ Cypress Nanotrap Water Filter

    Fits the Brondell H2O+ Cypress countertop water filtration system (Model H630) Learn More
    $51.69 MSRP:  $66.99
  9. FM-5 Culligan Level 3 On-Tap Faucet Filter System
  10. EV9259-24 Everpure QL3B Single Filter Head with Bracket, Shut-off valve, and 3/8 inch NPT threads
  11. 153070 Pentek Filter Housing Sump

    153070 Pentek Filter Housing Sump

    Fits the cap of #20 Big Blue (not clear) housings of any inlet or outlet size Learn More
    $51.99 MSRP:  $57.95
  12. 3G-STANDARD-20-CLEAR-PR20 Pentek Whole House 20 inch Filter Housing
  13. RC-5 Rainshow’r Replacement Water Filter

    RC-5 Rainshow’r Replacement Water Filter

    Fits into the C-100 Condor or BT-100 Breakthrough water filtration systems by Rainshow'r Learn More
    $51.99 MSRP:  $65.99
  14. CFS8720 Cuno Whole House Filter Replacement Cartridge

    CFS8720 Cuno Whole House Filter Replacement Cartridge

    Fits any filtration system that uses the Cuno 8000 Series Replacement Cartridges Learn More
    $52.05 MSRP:  $61.97
  15. TFM-75EB Desal Encapsulated Reverse Osmosis Membrane

    TFM-75EB Desal Encapsulated Reverse Osmosis Membrane

    Fits commercial reverse osmosis systems that accept 75 gallon per day encapsulated membranes Learn More
    $52.79 MSRP:  $114.99
  16. 4CB5 Everpure Replacement Filter Cartridge

    4CB5 Everpure Replacement Filter Cartridge

    Fits Everpure EV9275, EV9328, EV9337, and EV9797 systems Learn More
    $52.79 MSRP:  $83.99
  17. EFS8002-S Everpure Replacement Filter Cartridge

    EFS8002-S Everpure Replacement Filter Cartridge

    Fits Cuno 8000 systems Learn More
    $52.79 MSRP:  $83.99
  18. ROM-16C Pentek Reverse Osmosis Replacement Membrane

    ROM-16C Pentek Reverse Osmosis Replacement Membrane

    Fits US Filter RO-2127 Learn More
    $52.79 MSRP:  $76.99
  19. 3M Aqua-Pure AP810-2 Whole House Water Filter Cartridge

    AP810-2 3M Aqua-Pure Whole House Filter Replacement Cartridge

    Fits 3M Aqua-Pure whole house water filter systems Learn More
    $52.99 MSRP:  $84.20
  20. EV9612-71 Everpure 4K Plus Replacement Filter Cartridge

    EV9612-71 Everpure 4K Plus Replacement Filter Cartridge

    Fits Everpure filter heads including models QL1, QL2, QL3, and QL3B Learn More
    $52.99 MSRP:  $59.79
  21. FQROPF GE Profile SmartWater Ultra Plus Reverse Osmosis Filter Set

    FQROPF GE Profile SmartWater Ultra Plus Reverse Osmosis Filter Set

    Fits GE Profile SmartWater Ultra Plus reverse osmosis filter systems Learn More
    $52.99 MSRP:  $109.99
  22. CTW-10-WF Tier1 Countertop Water Filter System

    CTW-10-WF Tier1 Countertop Water Filter System

    Fits onto virtually any faucet. Uses a 10 x 2.5 water filter cartridge, sold separately. Learn More
  23. 9602 Moen Replacement Filter Cartridge for ChoiceFlo Faucet Systems

    9602 Moen Replacement Filter Cartridge for ChoiceFlo Faucet Systems

    Fits into the filtered Moen ChoiceFlo F7400 and 77200 Faucet Series Learn More
    $52.99 MSRP:  $65.99
  24. W9123085 Doulton Imperial UltraCarb Undersink Ceramic Candle Replacement Filter Cartridge

    W9123085 Doulton Imperial UltraCarb Undersink Ceramic Candle Replacement Filter Cartridge

    Fits all Doulton short mount Countertop, Undersink and Inline Systems Learn More
    $53.00 MSRP:  $109.65
  25. Sprite HO2-BN High Output Universal Shower Filter (Brushed Nickel)

    Sprite HO2-BN High Output Universal Shower Filter (Brushed Nickel)

    Fits most showers Learn More
    $53.49 MSRP:  $64.99

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