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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48 Item(s)

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  • S1A-D Culligan Comparable Whole House Sediment Water Filter 2-Pack by Tier1
  • RS1SS OmniFilter Comparable Whole House Water Filter by Tier1
  • DCC-RWF Cuisinart Comparable Replacement Coffee Water Filter by Tier1 (6-Pack)
  • Drinkwell PAC00-13711 Pet Fountain Foam Filter (2-Pack)

    Drinkwell PAC00-13711 Pet Fountain Foam Filter (2-Pack)

    $5.99
    MSRP: $8.99
    Save 33%
  • PX05-9-78 Purtrex Replacement Water Filter

    PX05-9-78 Purtrex Replacement Water Filter

    $5.99 MSRP: $9.99
    Save 40%
  • RS14-SS OmniFilter Whole House Water Filter
  • P1-20 Pentek Comparable Sediment Water Filter by Tier1

    P1-20 Pentek Comparable Sediment Water Filter by Tier1

    $5.99 MSRP: $10.99
    Save 45%
  • AQUA-PURE-AP124-2C Polypropylene Sediment Water Filter by Tier1
  • SDC-25-2001 Hydronix Comparable Sediment Water Filter by Tier1
  • SWC-25-2001 Hydronix Comparable Whole House Sediment Water Filter by Tier 1
  • PD-1-20 Pentek Comparable Sediment Water Filter by Tier1

    PD-1-20 Pentek Comparable Sediment Water Filter by Tier1

    $5.99 MSRP: $10.99
    Save 45%
  • PS1-20C Pentek Comparable Whole House Sediment Water Filter by Tier1
  • PX01-20 Purtrex Comparable Whole House Sediment Water Filter by Tier1
  • AP-GRMB-50PP-20UB 3M Aqua-Pure Comparable Whole House Sediment Filter by Tier1
  • SDC-25-2050 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • GX50-20 Hytrex Comparable Whole House Sediment Water Filter by Tier1
  • PD-50-20 Pentek Comparable Whole House Sediment Water Filter by Tier1
  • PX75-20 Purtrex Comparable Whole House Sediment Water Filter by Tier1
  • Pentek BPHE-410-5 Polypropylene High Efficiency Filter Bag
  • Pentek BPHE-410-50 Polypropylene High Efficiency Filter Bag
  • Pentek BN-420-800 Nylon Filter Bag

    Pentek BN-420-800 Nylon Filter Bag

    $5.99
    MSRP: $7.92
    Save 24%
  • Pentek KE25G4S Polyester Filter Bag

    Pentek KE25G4S Polyester Filter Bag

    $5.99
    MSRP: $6.89
    Save 13%
  • Pentek KO100G1S Polypropylene Filter Bag

    Pentek KO100G1S Polypropylene Filter Bag

    $5.99
    MSRP: $8.04
    Save 25%
  • W2123100 Doulton Wing Nut

    W2123100 Doulton Long Mount Water Filter Wing Nut

    $5.00
    MSRP: $8.34
    Save 40%
  • GX75-9-78 Hytrex Replacement Filter Cartridge

    GX75-9-78 Hytrex Water Filter Cartridge

    $5.05
    MSRP: $8.61
    Save 41%
  • KO50G4S Pentek Polypropylene Filter Bag

    KO50G4S Pentek Polypropylene Filter Bag

    $5.09
    MSRP: $9.99
    Save 49%
  • PX01-9-78 Purtrex Replacement Filter Cartridge

    PX01-9-78 Purtrex Replacement Filter Cartridge

    $5.09
    MSRP: $8.99
    Save 43%
  • PX50-9-78 Purtrex Replacement Filter Cartridge

    PX50-9-78 Purtrex Replacement Water Filter

    $5.09
    MSRP: $10.99
    Save 54%
  • BP-410-200 Pentek Polypropylene Bag Filter

    BP-410-200 Pentek Polypropylene Bag Filter

    $5.09
    MSRP: $9.99
    Save 49%
  • BP-420-100 Pentek Polypropylene Bag Filter

    BP-420-100 Pentek Polypropylene Bag Filter

    $5.09
    MSRP: $10.99
    Save 54%
  • PE100G4S Pentek Polyester Felt Filter Bags

    PE100G4S Pentek Polyester Felt Filter Bag

    $5.09
    MSRP: $8.99
    Save 43%
  • KE100G2S Pentek Polyester Felt Bag Filter

    KE100G2S Pentek Polyester Felt Bag Filter

    $5.29
    MSRP: $10.99
    Save 52%
  • KE5G2S Pentek Bag Filter

    KE5G2S Pentek Bag Filter

    $5.29
    MSRP: $9.99
    Save 47%
  • GX01-9-78 Hytrex Replacement Filter Cartridge

    GX01-9-78 Hytrex Replacement Water Filter Cartridge

    $5.49
    MSRP: $8.61
    Save 36%
  • HDG-SED-ACS Hydronix Replacement Filter Cartridge

    HDG-SED-ACS Hydronix Replacement Filter Cartridge

    $5.99
    MSRP: $8.04
    Save 25%
  • NMO600P1S Pentek Nylon Bag Filter

    NMO600P1S Pentek Nylon Filter Bag

    $5.99
    MSRP: $9.19
    Save 35%
  • PS20-10C Pentek Whole House Replacement Sediment Filter Cartridge
  • S-COO-K Seychelle Black Canteen Insulator Sling

    Seychelle Black Canteen Insulator Sling (#S-COO-K)

    $5.99
    MSRP: $9.19
    Save 35%
  • FPMB5-20 Watts Flo-Pro Replacement Filter Cartridge

    FPMB5-20 Watts Flo-Pro Water Filter Cartridge

    $5.99
    MSRP: $6.89
    Save 13%
  • GX03-9-78 Hytrex Replacement Water Filter

    GX03-9-78 Hytrex Replacement Water Filter

    $5.99
    MSRP: $9.19
    Save 35%
  • GX30-9-78 Hytrex Replacement Filter Cartridge

    GX30-9-78 Hytrex Water Filter Cartridge

    $5.99
    MSRP: $8.61
    Save 30%
  • BP-420-1 Pentek Polypropylene Bag Filter

    BP-420-1 Pentek Polypropylene Bag Filter

    $5.99
    MSRP: $8.15
    Save 27%
  • BP-420-5 Pentek Polypropylene Bag Filter

    BP-420-5 Pentek Polypropylene Bag Filter

    $5.99
    MSRP: $8.15
    Save 27%
  • PE25G2S Pentek Polyester Felt Bag Filter
  • WS03X10016 GE Water Filtration System Flow Control

    WS03X10016 GE Water Filtration System Flow Control

    $5.99
    MSRP: $13.99
    Save 57%
  • P50-20 Tier1 Polypropylene Sediment Water Filter Cartridge
  • KSSF Klean Kanteen Stainless Steel Flat Cap
  • KSSL Klean Kanteen Stainless Steel Loop Cap

48 Item(s)

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