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

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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 51 total

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  • SDC-45-2050 Hydronix Comparable Sediment Water Filter by Tier1
  • Hydronix SDC-25-4005 Polypropylene Sediment Filter

    Hydronix SDC-25-4005 Polypropylene Sediment Filter

    $11.99
    MSRP: $13.56
    Save 12%
  • 40 X 2.5 Spun Wound Polypropylene Replacement Filter by Tier1 (5 micron)
  • 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
  • Pentek WP25BB97P Whole House Water Filter Replacement Cartridge
  • Pentek WP5BB97P Replacement Water Filter Cartridge
  • Pentek WPX25BB97P Whole House Water Filter Replacement Cartridge
  • SDC-45-2010 Hydronix Comparable Sediment Water Filter by Tier1
  • Hydronix SDC-25-4025 Polypropylene Sediment Filter

    Hydronix SDC-25-4025 Polypropylene Sediment Filter

    $12.99
    MSRP: $14.34
    Save 9%
  • Hydronix SDC-25-4075 Polypropylene Sediment Filter

    Hydronix SDC-25-4075 Polypropylene Sediment Filter

    $12.99
    MSRP: $14.34
    Save 9%
  • 3M Aqua-Pure AP110-3 Whole House Water Filter

    AP110-3 3M Aqua-Pure Replacement Water Filter Cartridge

    $29.99
    MSRP: $34.49
    Save 13%
  • 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 AP810 Whole House Water Filter Cartridge

    3M Aqua-Pure AP810 Whole House Filter Replacement Cartridge

    $33.99
    MSRP: $46.64
    Save 27%
  • 3M Aqua-Pure AP810-2 Whole House Water Filter Cartridge
  • 3M Aqua-Pure AP811 Whole House Water Filter Cartridge

    AP811 3M Aqua-Pure Whole House Filter Replacement Cartridge

    $36.99
    MSRP: $43.69
    Save 15%
  • 3M Aqua-Pure AP811-2 Whole House Water Filter
  • 3M Aqua-Pure AP814 Whole House Water Filter
  • 3M Aqua-Pure AP814-2 Whole House Water Filter
  • SDC-45-2050 Hydronix Whole House Replacement Sediment Filter Cartridge
  • KO50G4S Pentek Polypropylene Filter Bag

    KO50G4S Pentek Polypropylene Filter Bag

    $5.09
    MSRP: $9.99
    Save 49%
  • KO5G3S Pentek Polypropylene Bag Filter

    KO5G3S Pentek Polypropylene Filter Bags

    $4.99
    MSRP: $7.00
    Save 29%
  • WP10BB97P Pentek Whole House Filter Replacement 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%
  • WPX100BB97P Pentek Replacement Filter Cartridge

    WPX100BB97P Pentek Replacement Filter Cartridge

    $18.99
    MSRP: $24.14
    Save 21%
  • WPX50BB97P Pentek Replacement Filter Cartridge

    WPX50BB97P Pentek Replacement Filter Cartridge

    $19.99
    MSRP: $24.14
    Save 17%
  • BP-410-1 Pentek Polypropylene Bag Filter

    BP-410-1 Pentek Polypropylene Bag Filter

    $4.99
    MSRP: $7.00
    Save 29%
  • BP-410-200 Pentek Polypropylene Bag Filter

    BP-410-200 Pentek Polypropylene Bag Filter

    $5.09
    MSRP: $9.99
    Save 49%
  • BP-410-25 Pentek Polypropylene Bag Filter

    BP-410-25 Pentek Polypropylene Bag Filter

    $4.99
    MSRP: $7.00
    Save 29%
  • BP-410-5 Pentek Polypropylene Bag Filter

    BP-410-5 Pentek Polypropylene Bag Filter

    $4.99
    MSRP: $7.00
    Save 29%
  • BP-420-1 Pentek Polypropylene Bag Filter

    BP-420-1 Pentek Polypropylene Bag Filter

    $5.99
    MSRP: $8.15
    Save 27%
  • BP-420-10 Pentek Polypropylene Bag Filter

    BP-420-10 Pentek Polypropylene Bag Filter

    $4.99
    MSRP: $8.15
    Save 39%
  • BP-420-100 Pentek Polypropylene Bag Filter

    BP-420-100 Pentek Polypropylene Bag Filter

    $5.09
    MSRP: $10.99
    Save 54%
  • BP-420-200 Pentek Polypropylene Bag Filter

    BP-420-200 Pentek Polypropylene Bag Filter

    $4.99
    MSRP: $7.00
    Save 29%
  • BP-420-25 Pentek Polypropylene Bag Filter

    BP-420-25 Pentek Polypropylene Bag Filter

    $4.99
    MSRP: $7.00
    Save 29%
  • BP-420-5 Pentek Polypropylene Bag Filter

    BP-420-5 Pentek Polypropylene Bag Filter

    $5.99
    MSRP: $8.15
    Save 27%
  • BP-420-50 Pentek Polypropylene Bag Filter

    BP-420-50 Pentek Polypropylene Bag Filter

    $4.99
    MSRP: $8.15
    Save 39%
  • BPHE-420-1 Pentek Polypropylene High Efficiency Bag Filter

    BPHE-420-1 Pentek Polypropylene High Efficiency Bag Filter

    $11.99
    MSRP: $16.55
    Save 28%
  • BPHE-420-100 Pentek Polypropylene High Efficiency Bag Filter
  • BPHE-420-25 Pentek Polypropylene High Efficiency Bag Filter
  • BPHE-420-5 Pentek Polypropylene High Efficiency Bag Filter

Items 1 to 48 of 51 total

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