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When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
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  • You’re guaranteed to find expert help!

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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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  • 150576 Pentek Filter Housing - Blue

    150576 Pentek Filter Housing - Blue

    $38.99 Retail Price:  $48.52
  • 153001 Pentek Filter Housing Sump - Blue

    153001 Pentek Filter Housing Sump - Blue

    $22.99 Retail Price:  $28.74
  • 153017 Pentek Slim Line Filter Housing Sump - Blue

    153017 Pentek Slim Line Filter Housing Sump - Blue

    $11.29 Retail Price:  $15.28
  • 153029 Pentek Filter Housing Sump

    153029 Pentek Filter Housing Sump

    $32.99 Retail Price:  $40.24
  • 153070 Pentek Filter Housing Sump

    153070 Pentek Filter Housing Sump

    $51.99 Retail Price:  $57.95
  • 158642 Pentek Slim Line Filter Housing - Blue

    158642 Pentek Slim Line Filter Housing - Blue

    $19.99 Retail Price:  $25.29
  • H10-B Brondell H2O+ Water Filter Pitcher (6-Cup)

    H10-B Brondell H2O+ Water Filter Pitcher (6-Cup)

    $34.99 Retail Price:  $37.94
  • 3M Aqua-Pure AP902 Whole House Water Filter

    AP902 3M Aqua-Pure Whole House Water Filtration System

    $204.99 Retail Price:  $238.04
  • Brita Blue Filtered Water Bottle (#35558)

    Brita Blue Filtered Water Bottle (#35558)

    $19.99 Retail Price:  $24.99
  • BB-TB Sprite Bath Ball Filter (Transparent Blue)

    BB-TB Sprite Bath Ball Filter (Transparent Blue)

    $24.99 Retail Price:  $31.04
  • FiftyFifty 27 oz. S25001BLU Blue Insulated Water Bottle

    FiftyFifty S25001BLU Blue Insulated Water Bottle (27 oz)

    $11.99 Retail Price:  $18.99
  • Pentek 158114 10-inch Standard Filter Housing

    Pentek 158114 10-inch Standard Filter Housing

    $12.99 Retail Price:  $15.34
  • Nubo 57-3038 Ocean Blue Neoprene Bottle Cover

    Nubo 57-3038 Ocean Blue Neoprene Bottle Cover

    $17.99 Retail Price:  $20.34
  • Pentek 150070 20 inch Blue Standard Filter Housing

    Pentek 150070 20 inch Blue Standard Filter Housing

    $36.99 Retail Price:  $43.69
  • AF-20-3690-BB Aries Replacement Whole House Fluoride Removal Filter

    AF-20-3690-BB Aries Whole House Fluoride Removal Filter

    $136.99 Retail Price:  $171.99
  • 1833-0005 WaterBrick 1.6 Gallon Stackable Water and Food Storage
  • WB-0001 WaterBrick Ventless Spigot Assembly

    WB-0001 WaterBrick Ventless Spigot Assembly

    $17.99 Retail Price:  $22.99
  • 35735 Brita Pacifica Pitcher Filter System

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