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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 49 to 96 of 285 total

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  • 22105 Hydrologic SmallBoy Sediment Filter

    22105 Hydrologic SmallBoy Sediment Filter

    $8.99
    MSRP: $12.06
    Save 25%
  • IC10-14C Coconut GAC Inline Water Filter (1/4-inch FPT)
  • FXUSC GE Comparable Whole House Sediment Water Filter 2-Pack by Tier1
  • FXWTC GE Comparable Whole House Water Filter 2-Pack by Tier1
  • Pentek ECP1-10 Replacement Water Filter Cartridge

    ECP1-10 Pentek Replacement Filter Cartridge

    $8.99 MSRP: $10.57
    Save 15%
  • DGD-2501 Pentek Comparable Whole House Filter by Tier1
  • SDC-25-2010 Hydronix Comparable Sediment Water Filter by Tier1
  • SB-3 Squeezable Filtered Sport Bottle (27 oz.)
  • Drinkwell PAC00-13070 Pet Fountain Premium Charcoal Filter (3-Pack)
  • 22140 Hydrologic TallBoy Sediment Filter

    22140 Hydrologic TallBoy Sediment Filter

    $9.99
    MSRP: $13.79
    Save 28%
  • CL6ROT33-A Omnipure GAC Inline Water Filter
  • CW-F-D Culligan Comparable Whole House Water Filter 2-Pack by Tier1
  • P5-10BB Tier1 Sediment Water Filter

    P5-10BB Tier1 Sediment Water Filter

    $9.99 MSRP: $24.64
    Save 59%
  • The Pentek C1 comparable Whole House Carbon Water Filter by Tier1
  • 23 Ounce Clear Infusion Water Bottle with Black Top by Tier1
  • Purtrex PX75-9-78 Polypropylene Sediment Filter

    Purtrex PX75-9-78 Polypropylene Sediment Filter

    $3.99
    MSRP: $5.74
    Save 30%
  • OR-38 Culligan Undersink and RV Filter O-Ring

    OR-38 Culligan Undersink and RV Filter O-Ring

    $4.99
    MSRP: $9.19
    Save 46%
  • RO-Sani-System-1PK Pro Products Reverse Osmosis System Sanitizer
  • Pentek BPHE-410-25 Polypropylene High Efficiency Filter Bag
  • Pentek BPHE-410-5 Polypropylene High Efficiency Filter Bag
  • Pentek BPHE-410-50 Polypropylene High Efficiency Filter Bag
  • Pentek KO5G4S Polypropylene Filter Bag

    Pentek KO5G4S Polypropylene Filter Bag

    $4.99
    MSRP: $6.89
    Save 28%
  • Purtrex PX01-4-78 Polypropylene Sediment Filter

    Purtrex PX01-4-78 Polypropylene Sediment Filter

    $4.99
    MSRP: $5.16
    Save 3%
  • Purtrex PX03-9-78 Polypropylene Sediment Filter

    Purtrex PX03-9-78 Polypropylene Sediment Filter

    $4.99
    MSRP: $6.89
    Save 28%
  • OmniFilter RS12-SS6-05 Polypropylene Sediment Filter

    OmniFilter RS12-SS6-05 Polypropylene Sediment Filter

    $4.99
    MSRP: $8.04
    Save 38%
  • Hytrex GX-50-9-78 Polypropylene Sediment Filter

    Hytrex GX-50-9-78 Polypropylene Sediment Filter

    $5.99
    MSRP: $7.12
    Save 16%
  • Pentek BN-420-800 Nylon Filter Bag

    Pentek BN-420-800 Nylon Filter Bag

    $5.99
    MSRP: $7.92
    Save 24%
  • Pentek KE10G2S Polyester Filter Bag

    Pentek KE10G2S Polyester Filter Bag

    $5.99
    MSRP: $7.12
    Save 16%
  • 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%
  • Pentek NMO800K1S Nylon Filter Bag

    Pentek NMO800K1S Nylon Filter Bag

    $5.99
    MSRP: $8.04
    Save 25%
  • Pentek PO25G4S Polypropylene Filter Bag

    Pentek PO25G4S Polypropylene Filter Bag

    $5.99
    MSRP: $8.34
    Save 28%
  • 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%
  • 3M Aqua-Pure AP-GRMB-05PP-10UB
  • 3M Aqua-Pure AP-GRMB-50PP-10UB
  • EP-5 Pentek Replacement Filter Cartridge
  • Pentek BN-420-200 Nylon Filter Bag

    Pentek BN-420-200 Nylon Filter Bag

    $6.99
    MSRP: $13.79
    Save 49%
  • Pentek BPH-410-1 Polypropylene High Efficiency Filter Bag
  • Pentek KO10G2S Polyester Filter Bag

    Pentek KO10G2S Polyester Filter Bag

    $6.99
    MSRP: $8.04
    Save 13%
  • Nubo 57-3045 Bubble Gum Pink Neoprene Bottle Cover

    Nubo 57-3045 Bubble Gum Pink Neoprene Bottle Cover

    $6.99
    MSRP: $16.09
    Save 57%
  • Nubo 57-3052 Volcano Red Neoprene Bottle Cover
  • ws03x10028 GE SmartWater Reverse Osmosis Filter O-Ring
  • Hytrex GX03-9-34 Polypropylene Sediment Filter

    Hytrex GX03-9-34 Polypropylene Sediment Filter

    $7.99
    MSRP: $9.34
    Save 14%
  • Pentek BN-410-800 Nylon Filter Bag

    Pentek BN-410-800 Nylon Filter Bag

    $7.99
    MSRP: $9.76
    Save 18%
  • Hydronix SDC-25-3010 Polypropylene Sediment Filter

    Hydronix SDC-25-3010 Polypropylene Sediment Filter

    $8.99
    MSRP: $13.79
    Save 35%
  • Hydronix SDC-25-3025 Polypropylene Sediment Filter

    Hydronix SDC-25-3025 Polypropylene Sediment Filter

    $8.99
    MSRP: $10.91
    Save 18%
  • Hytrex GX75-20 Polypropylene Sediment Filter

    Hytrex GX75-20 Polypropylene Sediment Filter

    $8.99
    MSRP: $11.49
    Save 22%

Items 49 to 96 of 285 total

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