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. W9121214 Doulton ATC Super Sterasyl Replacement Element

    W9121214 Doulton ATC Super Sterasyl Ceramic Water Filter

    Fits all Doulton Gravity systems Learn More
    $25.99 MSRP:  $47.91
  2. 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
    $46.99 MSRP:  $54.26
  3. 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
    $55.81 MSRP:  $66.48
  4. W9125010 Doulton Specialty Replacement Filter Cartridge

    W9125010 Doulton CleanSoft Scale Pre-Filter Replacement Cartridge

    Fits Doulton Short Mount Countertop, Undersink and Inline Water Filtration Systems Learn More
    $31.05 MSRP:  $59.96
  5. 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
    $51.99 MSRP:  $59.96
  6. W9142010 Doulton Replacement Ceramic Filter
  7. 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 MSRP:  $60.87
  8. 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
  9. 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 MSRP:  $286.06
  10. W9223022 Doulton Replacement Ceramic Filter

    W9223022 Doulton Ultracarb Replacement Ceramic Filter

    Fits most standard 2.5-inch by 10-inch filter housings Learn More
    $70.99 MSRP:  $82.65
  11. W9222901 Doulton Replacement Ceramic Filter

    W9222901 Doulton Replacement Ceramic Filter

    Fits most standard 2.5-inch by 10-inch filter housings Learn More
  12. W9223021 Doulton Ceramic Water Filter

    W9223021 Doulton Ultracarb Ceramic Water Filter

    Replacement cartridge for water filtration systems that are included with Franke Triflow faucets Learn More
    $50.05 MSRP:  $70.14

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