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  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
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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.

28 Item(s)

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  • CMB-520-HF Viqua Sediment Whole House Filter

    CMB-520-HF Viqua Sediment Whole House Filter

    $27.99
    MSRP: $39.00
    Save 28%
  • P5-20BB Tier1 Whole House Sediment Water Filter (2-Pack)
  • Hydronix SDC-45-2005 Whole House Sediment Filter Cartridge (6-Pack)
  • DGD-5005-20 Pentek Whole House Filter Replacement Cartridge (50-Pack)
  • DGD-5005-20 Pentek Whole House Filter Replacement Cartridge (6-Pack)
  • ECP5-20BB Pentek Whole House Filter Replacement Cartridge (6-Pack)
  • Hydronix SDC-45-2005 Whole House Sediment Filter Cartridge
  • DGD-5005-20 Pentek Whole House Water Filter
  • ECP5-20BB Pentek Whole House Filter Cartridge
  • EP-20BB Pentek Replacement Water Filter

    EP-20BB Pentek Replacement Filter Cartridge

    $47.99 MSRP: $62.83
    Save 24%
  • P5-20BB Tier1 Sediment Water Filter

    P5-20BB Tier1 Whole House Sediment Water Filter

    $12.97 MSRP: $25.76
    Save 50%
  • ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • EP5-20BB Tier1 Carbon Block Water Filter

    EP5-20BB Tier1 Carbon Block Water Filter

    $37.99 MSRP: $62.09
    Save 39%
  • 3M Aqua-Pure AP810-2 Whole House Water Filter Cartridge
  • 3M Aqua-Pure AP815-2 Whole House Water Filter
  • P1012581 Culligan Undersink Replacement Filter Cartridge
  • HB-20-5W Harmsco Calypso Blue Replacement Filter Cartridge
  • SPC-45-2005 Hydronix Whole House Replacement Sediment Filter Cartridge
  • WP5BB20P Pentek Replacement Filter Cartridge

    WP5BB20P Pentek Replacement Filter Cartridge

    $34.99
    MSRP: $42.54
    Save 18%
  • MAXETW-FF20 Watts C-MAX Whole House Replacement Filter Cartridge
  • MATRIKX-CTO2-HD20 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  • CFB-PLUS20BB Pentek Replacement Water Filter Cartridge

    CFB-PLUS20BB Pentek Replacement Water Filter Cartridge

    $42.99
    MSRP: $52.89
    Save 19%
  • SWC-45-2005 Hydronix String-Wound Sediment Water Filter
  • CQE-RC-04034 Crystal Quest Reusable Pleated Water Filter Cartridge
  • CQE-RC-04036 Crystal Quest Carbon Block Water Filter Cartridge

28 Item(s)

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