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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.

46 Item(s)

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  • EP5-10 Tier1 Carbon Block Water Filter

    EP5-10 Tier1 Carbon Block Water Filter

    As Low As $3.82 Per Filter

  • PX05-9-78 Purtrex Replacement Water Filter

    PX05-9-78 Purtrex Replacement Water Filter

    As Low As $4.56 Per Filter

  • 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)
  • RS14-SS OmniFilter Whole House Water Filter
  • P1-20 Pentek Comparable Sediment Water Filter by Tier1
  • Hytrex GX-50-9-78 Polypropylene Sediment Filter

    Hytrex GX-50-9-78 Polypropylene Sediment Filter

    $5.99 Retail Price:  $7.12
  • Pentek BN-420-800 Nylon Filter Bag

    Pentek BN-420-800 Nylon Filter Bag

    $5.99 Retail Price:  $7.92
  • Pentek KE10G2S Polyester Filter Bag

    Pentek KE10G2S Polyester Filter Bag

    $5.99 Retail Price:  $7.12
  • Pentek KE25G4S Polyester Filter Bag

    Pentek KE25G4S Polyester Filter Bag

    $5.99 Retail Price:  $6.89
  • Pentek KO100G1S Polypropylene Filter Bag

    Pentek KO100G1S Polypropylene Filter Bag

    $5.99 Retail Price:  $8.04
  • Pentek NMO800K1S Nylon Filter Bag

    Pentek NMO800K1S Nylon Filter Bag

    $5.99 Retail Price:  $8.04
  • Pentek PO25G4S Polypropylene Filter Bag

    Pentek PO25G4S Polypropylene Filter Bag

    $5.99 Retail Price:  $8.34
  • Pentek PO50G3S Polypropylene Filter Bag

    Pentek PO50G3S Polypropylene Filter Bag

    $5.99 Retail Price:  $6.89
  • Purtrex PX50-20 Polypropylene Sediment Filter

    Purtrex PX50-20 Polypropylene Sediment Filter

    $5.99 Retail Price:  $7.92
  • 3M Aqua-Pure AP-GRMB-05PP-10UB
  • 3M Aqua-Pure AP-GRMB-50PP-10UB
  • GX75-9-78 Hytrex Replacement Filter Cartridge

    GX75-9-78 Hytrex Water Filter Cartridge

    $5.05 Retail Price:  $8.61
  • KE100G2S Pentek Polyester Felt Bag Filter

    KE100G2S Pentek Polyester Felt Bag Filter

    $5.09 Retail Price:  $8.15
  • KE5G2S Pentek Bag Filter

    KE5G2S Pentek Bag Filter

    $5.09 Retail Price:  $8.15
  • GX01-9-78 Hytrex Replacement Filter Cartridge

    GX01-9-78 Hytrex Replacement Water Filter Cartridge

    $5.49 Retail Price:  $8.61
  • W2123100 Doulton Wing Nut

    W2123100 Doulton Long Mount Water Filter Wing Nut

    $5.99 Retail Price:  $8.34
  • HDG-SED-ACS Hydronix Replacement Filter Cartridge

    HDG-SED-ACS Hydronix Replacement Filter Cartridge

    $5.99 Retail Price:  $8.04
  • ICF-6 Hydronix Inline Coconut Carbon Filter

    ICF-6 Hydronix Inline Coconut Carbon Filter

    $5.99 Retail Price:  $9.19
  • SDC-25-1005 Hydronix Whole House Replacement Sediment Filter Cartridge
  • NMO600P1S Pentek Nylon Bag Filter

    NMO600P1S Pentek Nylon Filter Bag

    $5.99 Retail Price:  $9.19
  • 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 Retail Price:  $9.19
  • FPMB5-20 Watts Flo-Pro Replacement Filter Cartridge

    FPMB5-20 Watts Flo-Pro Water Filter Cartridge

    $5.99 Retail Price:  $6.89
  • GX03-9-78 Hytrex Replacement Water Filter

    GX03-9-78 Hytrex Replacement Water Filter

    $5.99 Retail Price:  $9.19
  • GX05-9-78 Hytrex Replacement Filter Cartridge

    GX05-9-78 Hytrex Replacement Water Filter Cartridge

    $5.99 Retail Price:  $8.61
  • GX30-9-78 Hytrex Replacement Filter Cartridge

    GX30-9-78 Hytrex Water Filter Cartridge

    $5.99 Retail Price:  $8.61
  • KSSF Klean Kanteen Stainless Steel Flat Cap
  • KSSL Klean Kanteen Stainless Steel Loop Cap
  • 57-2017 Nubo Bottle Replacement Water Bottle Filter

    57-2017 Nubo Replacement Water Bottle Filter

    $5.99 Retail Price:  $9.19
  • PF-300S OmniFilter Water Pitcher Replacement Cartridge
  • BP-420-1 Pentek Polypropylene Bag Filter

    BP-420-1 Pentek Polypropylene Bag Filter

    $5.99 Retail Price:  $8.15
  • BP-420-5 Pentek Polypropylene Bag Filter

    BP-420-5 Pentek Polypropylene Bag Filter

    $5.99 Retail Price:  $8.15
  • PE25G2S Pentek Polyester Felt Bag Filter
  • SWC-25-1030 Hydronix String Wound Sediment Water Filter
  • WS03X10016 GE Water Filtration System Flow Control

    WS03X10016 GE Water Filtration System Flow Control

    $5.99 Retail Price:  $28.94
  • SDC-25-0501 Hydronix Sediment Water Filter Cartridge

    SDC-25-0501 Hydronix Sediment Water Filter Cartridge

    $5.99 Retail Price:  $9.34
  • SWC-25-1005 Hydronix String Wound Sediment Water Filter
  • P50-20 Tier1 Polypropylene Sediment Water Filter Cartridge

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