Discount Water Filters and Air Filters at Discount Filter Store.com

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.

32 Item(s)

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  • 155014-43 Pentek Comparable Whole House Sediment Water Filter by Tier1
  • AP110 Aquapure Comparable Whole House Sediment Water Filter by Tier1
  • FXUSC GE Comparable Whole House Sediment Water Filter 2-Pack by Tier1
  • CW-F-D Culligan Comparable Whole House Water Filter 2-Pack by Tier1
  • CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1
  • CW-50 Pentek Comparable Whole House Sediment Water Filter by Tier1
  • CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1 (12-Pack)
  • CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1
  • Pentek S1-BB Replacement Water Filter Cartridge

    Pentek S1-BB Water Filter Cartridge Replacement

    $14.99 MSRP: $17.99
    Save 17%
  • CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1
  • WP-30 Pentek Comparable Whole House Sediment Filter by Tier1
  • RS7-SS OmniFilter Comparable Whole House Sediment Water Filter by Tier1
  • FX12P GE SmartWater Reverse Osmosis Filter Set

    FX12P GE SmartWater Reverse Osmosis Filter Set

    $63.09
    MSRP: $82.99
    Save 24%
  • FXSVC GE SmartWater Undersink Filter Set

    FXSVC GE SmartWater Undersink Filter Set

    $65.29
    MSRP: $89.99
    Save 27%
  • FXULC GE SmartWater Undersink Filter Replacement Cartridge

    FXULC GE SmartWater Undersink Filter Replacement Cartridge

    $39.99
    MSRP: $51.74
    Save 23%
  • FXUSC GE SmartWater Whole House Filter Replacement
  • FXUTC GE SmartWater Undersink Filter Replacement Cartridge

    FXUTC GE SmartWater Undersink Filter Replacement Cartridge

    $24.59
    MSRP: $35.99
    Save 32%
  • FXUVC GE SmartWater Undersink Filter Replacement Cartridge

    FXUVC GE SmartWater Undersink Filter Replacement Cartridge

    $58.79
    MSRP: $80.99
    Save 27%
  • FXWTC GE SmartWater Whole House Filter Replacement Cartridge
  • P-250 Pentek Undersink Filter Set

    P-250 Pentek Undersink Filter Set

    $35.29
    MSRP: $44.99
    Save 22%
  • P-250A Pentek Undersink Filter Set
  • PS1-10C Pentek Whole House Replacement Sediment Filter Cartridge
  • PS20-10C Pentek Whole House Replacement Sediment Filter Cartridge

32 Item(s)

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