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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36 Item(s)

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  • RFC-BBS-D Culligan Comparable Whole House Carbon Water Filter by Tier1
  • PD-25-934 Pentek Comparable Whole House Water Filter by Tier1
  • RFC-93 Pentek Radial Flow Carbon Water Filter Cartridge

    RFC-93 Pentek Radial Flow Carbon Water Filter Cartridge

    $23.99
    MSRP: $27.99
    Save 14%
  • DGD-7525-20 Pentek Whole House Water Filter
  • DGD-7525 Pentek Whole House Sediment Filter
  • Pentek WP25BB97P Whole House Water Filter Replacement Cartridge

    WP25BB97P Pentek Whole House Filter Replacement Cartridge

    $17.99 MSRP: $19.31
    Save 7%
  • Pentek WPX25BB97P Whole House Water Filter Replacement Cartridge

    WPX25BB97P Pentek Whole House Filter Replacement Cartridge

    $18.99 MSRP: $20.57
    Save 8%
  • FXHTC GE Comparable Whole House Radial Flow Carbon Water Filter by Tier1
  • WRC25HD American Plumber Comparable Whole House Carbon Water Filter by Tier1
  • SDC-25-1020 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • GX20-9-78 Hytrex Comparable Whole House Sediment Water Filter by Tier1
  • P25 Pentek Comparable Whole House Sediment Filter by Tier1
  • PS20-10C Pentek Comparable Whole House Sediment Water Filter by Tier1
  • PX20-9-78 Purtrex Comparable Whole House Sediment Water Filter by Tier1
  • AP817 3M Aqua-Pure Comparable Whole House Carbon Water Filter by Tier 1
  • RFC-BBS-D Culligan Comparable Whole House Carbon Water Filter by Tier1
  • RFC-BB Pentek Comparable Whole House Carbon Water Filter by Tier1
  • Pentek BPHE-410-25 Polypropylene High Efficiency Filter Bag
  • Pentek PO25G4S Polypropylene Filter Bag

    Pentek PO25G4S Polypropylene Filter Bag

    $6.19
    MSRP: $14.99
    Save 59%
  • W25P American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • WRC25HD American Plumber Whole House Heavy Duty Filter Cartridge
  • WRC25HD20 American Plumber Whole House 20-inch Heavy Duty Filter Cartridge
  • KE25G1S Pentek Polyester Felt Bag Filter

    KE25G1S Pentek Polyester Felt Filter Bag

    $4.09
    MSRP: $7.00
    Save 42%
  • KO25G2S Pentek Polypropylene Bag Filter

    KO25G2S Pentek Polypropylene Bag Filters

    $6.05
    MSRP: $9.42
    Save 36%
  • KO25HE2 Pentek Polypropylene High Efficiency Bag Filter

    KO25HE2 Pentek Polypropylene High Efficiency Bag Filter

    $16.99
    MSRP: $19.34
    Save 12%
  • PD-25-30 Pentek Whole House Replacement Sediment Filter Cartridge
  • RFC-BB Pentek Whole House Filter Replacement Cartridge - 1
  • WP25BB20P Pentek Whole House Filter Replacement Cartridge

    WP25BB20P Pentek Whole House Filter Replacement Cartridge

    $35.99
    MSRP: $37.82
    Save 5%
  • BP-410-25 Pentek Polypropylene Bag Filter

    BP-410-25 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%
  • BPHE-420-25 Pentek Polypropylene High Efficiency Bag Filter
  • CRFC-BB Pentek Chloramine Reduction Water Filter

    CRFC-BB Pentek Chloramine Reduction Water Filter

    $65.49
    MSRP: $104.99
    Save 38%
  • PE25G2S Pentek Polyester Felt Bag Filter

36 Item(s)

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