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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.

Items 51 to 75 of 205 total

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  1. W9120562 Doulton Sterasyl Undersink Ceramic Candle Replacement Filter Cartridge

    W9120562 Doulton Sterasyl Undersink Ceramic Candle Replacement Filter Cartridge

    Fits the (S) type thread mount in HIP, HCP and HIS housings Learn More
    $30.99 Retail Price:  $39.96
  2. W9121020 Doulton Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge

    W9121020 Doulton Undersink Ceramic Candle Water Filter Cartridge

    Fits all Doulton Gravity systems Learn More
    $25.99 Retail Price:  $36.02
  3. W9121200 Doulton Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge

    W9121200 Doulton Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge

    Fits Doulton gravity fed systems Learn More
    $34.99 Retail Price:  $39.97
  4. W9121214 Doulton ATC Super Sterasyl Replacement Element

    W9121214 Doulton ATC Super Sterasyl Ceramic Water Filter

    Fits all Doulton Gravity systems Learn More
    $39.99 Retail Price:  $47.91
  5. W9121715 Doulton Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge

    W9121715 Doulton Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge

    Fits Doulton gravity fed systems Learn More
    $36.99 Retail Price:  $41.41
  6. W9121750 Doulton Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge

    W9121750 Doulton Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge

    Fits Doulton HIP, HIS and HCPS housings (NOT gravity-fed) Learn More
    $36.99 Retail Price:  $41.50
  7. W9122021 Doulton SuperCarb Replacement Element

    W9122021 Doulton SuperCarb Replacement Ceramic Water Filter

    Fits pressurized Doulton short mount Countertop, Undersink and Inline Water Filtration Systems Only Learn More
    $47.99 Retail Price:  $54.26
  8. W9122190 Doulton SuperCarb SI Replacement Element

    W9122190 Doulton SuperCarb SI Ceramic Water Filter

    Fits all Doulton short mount Countertop, Undersink and Inline Water Filtration Systems Learn More
    $53.99 Retail Price:  $60.21
  9. W9123019 Doulton UltraCarb SI Replacement Element

    W9123019 Doulton UltraCarb SI Ceramic Filter Candle

    Fits all Doulton Short Mount Countertop, Undersink and Inline Water Filtration Systems Learn More
    $58.99 Retail Price:  $66.48
  10. W9125030 Doulton Specialty Replacement Filter Cartridge

    W9125030 Doulton Fluoride Reducing Water Filter Cartridge

    Fits Doulton Short Mount Countertop, Undersink and Inline Water Filtration Systems Learn More
    $53.99 Retail Price:  $59.96
  11. W9142010 Doulton Replacement Ceramic Filter

    W9142010 Doulton Replacement Ceramic Filter

    $15.99 Retail Price:  $18.39
  12. W9223002 Doulton Replacement Ceramic Filter

    W9223002 Doulton Slimline Replacement Ceramic Filter

    Fits standard 10-inch x 2.5-inch housings that accept cartridges open on both ends (OBE) Learn More
    $53.99 Retail Price:  $60.87
  13. W9223026 Doulton Replacement Ceramic Filter

    W9223026 Doulton Replacement Ceramic Filter

    Fits standard 10-inch filter housings, including systems with Franke Triflow faucets, FRXH1 and FRXS2 and many others Learn More
  14. W9330957 Doulton UltraCarb Undersink Ceramic Candle Filter System
  15. W9330962 Doulton Sterasyl Undersink Ceramic Candle Filter System
  16. W9331032 Doulton UltraCarb Countertop Filter System

    W9331032 Doulton HCP UltraCarb Countertop Filter System

    Fits 10 inch by 2 inch short thread filter candles Learn More
    $135.99 Retail Price:  $158.65
  17. W9361122 Doulton Countertop Filter System

    W9361122 Doulton SS2 Countertop Filter System

    Fits 2 long thread 7 inch by 2 inch filter candles Learn More
    $199.97 Retail Price:  $232.27
  18. W9377001 Doulton Gravity Filter System

    W9377001 Doulton LP2 Gravity Filter System

    Fits 2 long thread 7 inch by 2 inch filter candles Learn More
  19. W9381000 Doulton High Flow Multi Candle Filter Module

    W9381000 Doulton High Flow Multi Candle Filter Module

    Fits most industry standard 10-inch Big Blue housings Learn More
    $140.99 Retail Price:  $158.36
  20. W9381100 Doulton Whole House Filter System

    W9381100 Doulton Whole House Filter System

    Fits standard 3/4-inch water lines Learn More
  21. W9381101 Doulton Whole House Filter System
  22. W9381105 Doulton RIO 2000 Ceramic Multi-Candle Filter Cartridge

    W9381105 Doulton Rio2000 Ceramic Multi-Candle Water Filter Cartridge

    Contains 6 filter candles; system fits industry standard 10 inch x 4.5 inch filter housings Learn More
    $254.99 Retail Price:  $286.06
  23. BH-2 Everpure Replacement Filter Cartridge

    BH-2 Everpure Replacement Filter Cartridge

    Fits the Everpure QL3-BH2 Coffee Filter Learn More
    $53.99 Retail Price:  $70.14
  24. EV9275-70 Everpure QL2-OW200L Filter System

    EV9275-70 Everpure QL2-OW200L Filter System

    Regular Price: $101.99

    Special Price: $70.05

  25. EV9300-15 Everpure proseries 1500 Replacement Filter Cartridge

    EV9300-15 Everpure proseries 1500 Replacement Filter Cartridge

    Fits Professional Series 1500 Drinking Water Systems Learn More
    $71.99 Retail Price:  $80.78

Items 51 to 75 of 205 total

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