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!

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  • 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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Items 1 to 48 of 52 total

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  • DGD-5005-20 Pentek Whole House Filter Replacement Cartridge by Tier1
  • Pentek WP5BB97P Replacement Water Filter Cartridge
  • P1-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • SDC-45-2010 Hydronix Water Filter Cartridge

    SDC-45-2010 Hydronix Sediment Water Filter Cartridge

    $21.99 MSRP: $31.73
    Save 31%
  • Pentek WP25BB97P Whole House Water Filter Replacement Cartridge
  • P1-20BB Sediment Water Filter by Tier1
  • Pentek WPX25BB97P Whole House Water Filter Replacement Cartridge
  • Tier1 P20-20BB Whole House Replacement Sediment Filter Cartridge
  • SWC-45-2001 Hydronix Comparable String-Wound Sediment Water Filter by Tier1
  • SWC-45-2001 Hydronix Comparable String-Wound Sediment Water Filter by Tier1
  • WP1BB20P Pentek Comparable String-Wound Sediment Water Filter by Tier1
  • Hydronix SDC-45-2005 Whole House Sediment Filter Cartridge
  • 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%
  • Hydronix SWC-45-2020 Comparable String Wound Sediment Water Filter (20 micron) by Tier1
  • Hydronix SWC-45-2020 Comparable String Wound Sediment Water Filter (20 micron) by Tier1
  • WP25BB20P Pentek Comparable String Wound Sediment Water Filter (20 micron) by Tier1
  • Hydronix SDC-45-2001 Whole House Sediment Filter Cartridge
  • SDC-45-2020 Hydronix Sediment Water Filter
  • 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%
  • DGD-7525-20 Pentek Whole House Water Filter
  • SWC-45-2005 Hydronix Comparable String-Wound Sediment Water Filter by Tier1
  • SWC-45-2005 Hydronix Comparable String-Wound Sediment Water Filter by Tier1
  • WP5BB20P Pentek Comparable String-Wound Sediment Water Filter by Tier1
  • Hydronix SBD-25-4005-S5 Polypropylene Sediment Filter

    Hydronix SBD-25-4005-S5 Polypropylene Sediment Filter

    $26.99
    MSRP: $36.79
    Save 27%
  • RWC-5 Culligan Level 1 Undersink Filter Replacement Cartridge
  • PO-25-G2PS-EA Harmsco Bag Filter

    PO-25-G2PS-EA Harmsco Filter Bag

    $22.99
    MSRP: $25.34
    Save 9%
  • Hytrex GX03-40 Polypropylene Sediment Filter

    Hytrex GX03-40 Polypropylene Sediment Filter

    $24.99
    MSRP: $27.34
    Save 9%
  • 3M Aqua-Pure AP1001 Whole House Water Filter Cartridge
  • 3M Aqua-Pure AP124-3 Water Filter

    AP124-3 3M Aqua-Pure Replacement Water Filter

    $29.99
    MSRP: $35.64
    Save 16%
  • 3M Aqua-Pure AP110-2 Whole House Water Filter Cartridge
  • SDC-45-2050 Hydronix Whole House Replacement Sediment Filter Cartridge
  • P1-30 Pentek Whole House Replacement Sediment Filter Cartridge
  • WPX10BB97P Pentek Fibrillated Polypropylene Water Filter

    WPX10BB97P Pentek Fibrillated Polypropylene Water Filter

    $20.99
    MSRP: $22.99
    Save 9%
  • SDC-45-2005 Hydronix Whole House Filter Replacement by Tier1

    SDC-45-2005 Hydronix Whole House Filter Replacement by Tier1

    $20.99 MSRP: $25.76
    Save 19%
  • SDC-45-2005 Hydronix Comparable Whole House Replacement Sediment Filter Cartridge by Tier1
  • SDC-45-2010 Hydronix Comparable Sediment Water Filter Cartridge by Tier1
  • PD-1-40 Pentek Whole House Replacement Sediment Filter Cartridge
  • WPX5BB97P Pentek Whole House Filter Replacement Cartridge
  • Pentek PD-1-30 Polypropylene Sediment Filter
  • SWC-45-20100 Hydronix String Wound Sediment Water Filter

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

    $22.99
    MSRP: $32.19
    Save 29%

Items 1 to 48 of 52 total

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