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.

27 Item(s)

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  • P1-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • SDC-45-2050 Hydronix Comparable Sediment Water Filter by Tier1
  • CMB-520-HF Advanced Water Products 20-inch x 4.5-inch Replacement Sediment Filter
  • CMB-520-HF Viqua Sediment Whole House Filter

    CMB-520-HF Viqua Sediment Whole House Filter

    $27.99
    MSRP: $39.00
    Save 28%
  • Hydronix SDC-45-2001 Whole House Sediment Filter Cartridge
  • Hydronix SDC-45-2005 Whole House Sediment Filter Cartridge
  • SDC-45-2010 Hydronix Water Filter Cartridge

    SDC-45-2010 Hydronix Sediment Water Filter Cartridge

    $21.99 MSRP: $31.73
    Save 31%
  • SDC-45-2020 Hydronix Sediment Water Filter

    SDC-45-2020 Hydronix Sediment Water Filter Cartridge

    $20.99 MSRP: $22.99
    Save 9%
  • DGD-2501-20 Pentek Whole House Sediment Filter
  • DGD-5005-20 Pentek Whole House Water Filter

    DGD-5005-20 Pentek Whole House Filter Replacement Cartridge

    $23.99 MSRP: $25.76
    Save 7%
  • DGD-7525-20 Pentek Whole House Water Filter
  • P5-20BB Tier1 Sediment Water Filter

    P5-20BB Tier1 Whole House Sediment Water Filter

    $14.99 MSRP: $25.76
    Save 42%
  • Tier1 P20-20BB Whole House Replacement Sediment Filter Cartridge
  • SDC-45-2010 Hydronix Comparable Sediment Water Filter by Tier1
  • P1-20BB Sediment Water Filter by Tier1
  • 3M Aqua-Pure AP810-2 Whole House Water Filter Cartridge
  • 3M Aqua-Pure AP811-2 Whole House Water Filter
  • 3M Aqua-Pure AP814-2 Whole House Water Filter
  • SDC-45-2050 Hydronix Whole House Replacement Sediment Filter Cartridge
  • WP1BB20P Pentek Whole House Filter Replacement Cartridge

    WP1BB20P Pentek Whole House Filter Replacement Cartridge

    $36.99
    MSRP: $39.55
    Save 6%
  • WP25BB20P Pentek Whole House Filter Replacement Cartridge

    WP25BB20P Pentek Whole House Filter Replacement Cartridge

    $35.99
    MSRP: $37.82
    Save 5%
  • WP5BB20P Pentek Replacement Filter Cartridge

    WP5BB20P Pentek Replacement Filter Cartridge

    $34.99
    MSRP: $42.54
    Save 18%
  • WPX100BB20P Pentek Replacement Filter Cartridge
  • SWC-45-2050 Hydronix String Wound Sediment Water Filter

    SWC-45-2050 Hydronix String-Wound Sediment Water Filter

    $25.99
    MSRP: $30.81
    Save 16%
  • SWC-45-20100 Hydronix String Wound Sediment Water Filter

    SWC-45-20100 Hydronix String-Wound Sediment Water Filter

    $21.99
    MSRP: $32.19
    Save 32%
  • SWC-45-2001 Hydronix String Wound Sediment Water Filter

    SWC-45-2001 Hydronix String-Wound Sediment Water Filter

    $23.99
    MSRP: $27.59
    Save 13%
  • SWC-45-2005 Hydronix String-Wound Sediment Water Filter

    SWC-45-2005 Hydronix String-Wound Sediment Water Filter

    $24.99
    MSRP: $26.44
    Save 5%

27 Item(s)

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