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. W9120145 Doulton Replacement Candle Set (6-Pack)

    W9120145 Doulton Replacement Candle Set (6-Pack)

    Fits the RIO 2000 High-Flow Multi-Candle filter module Learn More
    $104.99 MSRP:  $118.30
  2. W9330957 Doulton UltraCarb Undersink Ceramic Candle Filter System
  3. W9330962 Doulton Sterasyl Undersink Ceramic Candle Filter System
  4. 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
    $145.49 MSRP:  $175.99
  5. 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 MSRP:  $232.27
  6. 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
    $150.89 MSRP:  $191.99
  7. W9381100 Doulton Whole House Filter System

    W9381100 Doulton Whole House Filter System

    Fits standard 3/4-inch water lines Learn More
  8. W9381101 Doulton Whole House Filter System

    W9381101 Doulton Whole House Filter System

    Fits standard 1-inch water lines Learn More
  9. W9330958 Doulton SuperCarb Undersink Ceramic Candle Filter System

    W9330958 Doulton SuperCarb Undersink Ceramic Candle Filter System

    Fits 10 inch by 2 inch short thread filter candles Learn More
    $194.69 MSRP:  $246.99
  10. W9331028 Doulton SuperCarb Countertop Filter System

    W9331028 Doulton HCP SuperCarb Countertop Filter System

    Fits 10 inch by 2 inch short thread filter candles Learn More
    $147.05 MSRP:  $174.79
  11. W9330059 Doulton Undersink Water Filtration System

    W9330059 Doulton HIP Undersink Water Filtration System

    Fits 10 inch by 2 inch short thread filter candles Learn More
    $118.79 MSRP:  $167.99

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