Discount Water Filters and Air Filters at Discount Filter

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, & Parts

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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  • CW-F-D Culligan Comparable Whole House Water Filter 2-Pack by Tier1
  • Pentek EPM-BB Replacement Water Filter Cartridge

    Pentek EPM-BB Water Filter Cartridge Replacement

    $26.99 MSRP: $34.49
    Save 22%
  • Pentek WS-10 Water Softening Water Filter

    Pentek WS-10 Water Softening Filter

    $19.99 MSRP: $24.83
    Save 19%
  • W5W American Plumber Comparable Whole House Sediment Filter Cartridge by Tier1 (2-Pack)
  • CW-F-D Culligan Level 3 Whole House Filter Replacement Cartridge (2-Pack)
  • K2533-KK Omnipure Inline Filter

    K2533-KK Omnipure Inline Filter

    MSRP: $14.94
    Save 6%
  • CW-F Pentek String Wound Sediment Water Filter (9-7/8 in x 2-1/4 in)
  • WS-20 Pentek Water Softening Filter

    WS-20 Pentek Water Softening Filter

    MSRP: $35.64
    Save 24%
  • Pentek PD-10-20 Whole House Replacement Sediment Water Filter

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