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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.

Items 1 to 48 of 56 total

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  • W50PEHD American Plumber Comparable Whole House Water Filter by Tier1
  • AP-GRMB-50PP-20UB Whole House Water Filter Replacement Cartridge
  •  WB-HB-20-50W Harmsco Pleated Commercial Water Filter Cartridge
  • W50PEHD American Plumber Comparable Filter by Tier1 (6-Pack)
  • SDC-45-1050 Hydronix Pleated Sediment Water Filter (6-Pack)
  • SDC-45-1050 Hydronix Pleated Water Filter

    SPC-45-1050 Hydronix Polypropylene Spun Water Filter

    $16.99 MSRP: $20.69
    Save 18%
  • SPC-45-2050 Hydronix Pleated Sediment Water Filter
  • Pentek ECP50-20BB Replacement Water Filter Cartridge
  • Pentek ECP50-BB Whole House Water Filter Replacement Cartridge
  • Hydronix SDC-25-4050 Polypropylene Sediment Filter

    Hydronix SDC-25-4050 Polypropylene Sediment Filter

    $12.99
    MSRP: $14.34
    Save 9%
  • Hydronix GX50-30 Polypropylene Sediment Filter

    Hydronix GX50-30 Polypropylene Sediment Filter

    $12.99
    MSRP: $14.36
    Save 10%
  • Hytrex GX-50-9-78 Polypropylene Sediment Filter

    Hytrex GX-50-9-78 Polypropylene Sediment Filter

    $5.99
    MSRP: $7.12
    Save 16%
  • Pentek BPHE-410-50 Polypropylene High Efficiency Filter Bag
  • Pentek PO50G3S Polypropylene Filter Bag

    Pentek PO50G3S Polypropylene Filter Bag

    $5.99
    MSRP: $6.89
    Save 13%
  • Purtrex PX50-20 Polypropylene Sediment Filter

    Purtrex PX50-20 Polypropylene Sediment Filter

    $5.99
    MSRP: $7.92
    Save 24%
  • Purtrex PX50-30 Polypropylene Sediment Filter

    Purtrex PX50-30 Polypropylene Sediment Filter

    $9.99
    MSRP: $11.49
    Save 13%
  • 3M Aqua-Pure AP-GRMB-50PP-10UB
  • W50PE American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • W50PEHD American Plumber Whole House Heavy Duty Filter Cartridge
  • W50W American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • 3M Aqua-Pure AP124 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 AP814 Whole House Water Filter
  • 3M Aqua-Pure AP814-2 Whole House Water Filter
  • PR-1 Culligan Pitcher Replacement Cartridge
  • PR-3U Culligan Universal Water Pitcher Replacement Cartridge (3-Pack)
  • R50-BBSa-D Culligan Level 1 Whole House Filter Replacement Cartridge
  • 3WH-HDPL-F01 Filtrete Replacement Filter Cartridge

    3WH-HDPL-F01 3M Filtrete Water Filter Cartridge

    $14.99
    MSRP: $17.24
    Save 13%
  • 3WH-HD-S01 Filtrete Whole House Sump System

    3WH-HD-S01 3M Filtrete Whole House Sump Filter System

    $54.99
    MSRP: $66.69
    Save 18%
  • 3WH-STDPL-F02 Filtrete Replacement Filter Cartridge (2-Pack)
  • 3WH-STD-S01 Filtrete Whole House Sump System

    3WH-STD-S01 3M Filtrete Whole House Sump Filter System

    $26.99
    MSRP: $33.34
    Save 19%
  • FRC1D OmniFilter Faucet Filter Replacement Cartridge

    FRC1D OmniFilter Faucet Filter Replacement Cartridge

    $6.99
    MSRP: $12.41
    Save 44%
  • HB-20-50W Harmsco Calypso Blue Replacement Filter Cartridge
  • SDC-45-2050 Hydronix Whole House Replacement Sediment Filter Cartridge
  • KO50G2S Pentek Polypropylene Bag Filter

    KO50G2S Pentek Polypropylene Bag Filter

    $6.19
    MSRP: $9.42
    Save 34%
  • KO50G4S Pentek Polypropylene Filter Bag

    KO50G4S Pentek Polypropylene Filter Bag

    $4.99
    MSRP: $5.85
    Save 15%
  • PD-50-20 Pentek Whole House Replacement Sediment Filter Cartridge
  • PD-50-934 Pentek Whole House Filter Replacement Cartridge
  • WPX50BB97P Pentek Replacement Filter Cartridge

    WPX50BB97P Pentek Replacement Filter Cartridge

    $19.99
    MSRP: $24.14
    Save 17%
  • PX50-9-78 Purtrex Replacement Filter Cartridge

    PX50-9-78 Purtrex Replacement Water Filter

    $4.99
    MSRP: $6.89
    Save 28%
  • GX50-20 Hytrex Replacement Filter Cartridge

    GX50-20 Hytrex Water Filter Cartridge

    $7.99
    MSRP: $11.49
    Save 30%
  • F1-S6-05 OmniFilter Faucet Filter System

    F1-S6-06 OmniFilter Faucet Filter System

    $15.99
    MSRP: $19.31
    Save 17%
  • BN-420-50 Pentek Nylon Bag Filter

    BN-420-50 Pentek Nylon Bag Filter

    $14.99
    MSRP: $15.63
    Save 4%
  • BP-420-50 Pentek Polypropylene Bag Filter

    BP-420-50 Pentek Polypropylene Bag Filter

    $4.99
    MSRP: $8.15
    Save 39%
  • CW-50 Pentek Whole House Filter Replacement Cartridge

    CW-50 Pentek Whole House Filter Replacement Cartridge

    $6.99
    MSRP: $10.34
    Save 32%

Items 1 to 48 of 56 total

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