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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Items 145 to 192 of 583 total

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  • GAC-20 Pentek Comparable Granular Activated Carbon Water Filter by Tier1
  • R30-BB Pentek Comparable Whole House Water Filter by Tier1

    R30-BB Pentek Comparable Whole House Water Filter by Tier1

    $15.99 MSRP: $17.99
    Save 11%
  • R50-BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • CBC-10 Pentek Replacement Water Filter
  • W50PEHD American Plumber Comparable Whole House Water Filter by Tier1
  • Hydronix HF2-10CLWH14 Clear 10 inch Filter Housing

    Hydronix HF2-10CLWH14 Clear 10 inch Filter Housing

    $16.99
    MSRP: $17.24
    Save 1%
  • CMB-510-HF Advanced Water Products 10-inch x 4.5-inch Replacement Sediment Filter
  • AF-10-2010 Aries GAC/KDF Water Filter Cartridge

    AF-10-2010 Aries GAC/KDF Water Filter Cartridge

    $16.99
    MSRP: $22.99
    Save 26%
  • CMB-510-HF Viqua Sediment Whole House Filter

    CMB-510-HF Viqua Sediment Whole House Filter

    $16.99
    MSRP: $19.34
    Save 12%
  • 158203 Pentek Slim Line Black/Blue w/PR Water Filter System
  • SDC-45-1050 Hydronix Pleated Water Filter

    SPC-45-1050 Hydronix Polypropylene Spun Water Filter

    $16.99 MSRP: $20.69
    Save 18%
  • W50PEHD American Plumber Comparable Whole House Water Filter by Tier1
  • Pentek C1-20 Carbon Water Filter Replacement Cartridge

    Pentek C1-20 Water Filter Cartridge Replacements

    $16.99 MSRP: $20.00
    Save 15%
  • ECP5-BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • S1-20BB Pentek Comparable Whole House Water Filter by Tier1

    S1-20BB Pentek Comparable Whole House Water Filter by Tier1

    $16.99 MSRP: $26.99
    Save 37%
  • HB-20-20W Harmsco Comparable Whole House Sediment Water Filter by Tier1 (alternate)
  • 22010 Hydrologic Comparable Whole House Water Filter by Tier1
  • SPC-45-2020 Hydronix Comparable Whole House Water Filter by Tier1 (alternate)
  • ECP20-20BB Pentek Comparable Whole House Water Filter by Tier1
  • S1-20BB-Pentek Comparable Whole House Water Filter by Tier1

    S1-20BB-Pentek Comparable Whole House Water Filter by Tier1

    $16.99 MSRP: $26.99
    Save 37%
  • W20CLHD20 American Plumber Comparable Whole House 20-inch Heavy Duty Filter Cartridge by Tier1
  • WFHDC3001 DuPont Universal Heavy Duty Pleated Poly Whole House Cartridge
  • RN-001 Viqua Retaining Nut

    RN-001 Viqua Retaining Nut

    $17.99
    MSRP: $20.34
    Save 12%
  • WB-0001 WaterBrick Ventless Spigot Assembly

    WB-0001 WaterBrick Ventless Spigot Assembly

    $17.99
    MSRP: $22.99
    Save 22%
  • FiftyFifty V18001SS0 Water Bottle (18 oz)

    FiftyFifty V18001SS0 Water Bottle (18 oz)

    $17.99
    MSRP: $25.99
    Save 31%
  • Hydronix SPC-45-1030 Sediment Water Filter - Pleated

    SPC-45-1030 Hydronix Pleated Sediment Water Filter

    $17.99 MSRP: $19.54
    Save 8%
  • Pentek EP-20 Replacement Water Filter Cartridge

    Pentek EP-20 Water Filter Cartridge Replacements

    $17.99 MSRP: $20.00
    Save 10%
  • EPM-BB Pentek Comparable Carbon Whole House Water Filter

    EPM-BB Pentek Comparable Whole House Water Filter by Tier1

    $17.99 MSRP: $30.99
    Save 42%
  • Pentek R30-20 Replacement Water Filter Cartridge

    R30-20 Pentek Replacement Filter Cartridge

    $17.99 MSRP: $24.99
    Save 28%
  • Tier1 P20-20BB Whole House Replacement Sediment Filter Cartridge
  • Brita Intenza Plus Comparable Coffee Water Filter Replacement by Tier1
  • EPM-BB Pentek Comparable Whole House Water Filter by Tier1

    EPM-BB Pentek Comparable Whole House Water Filter by Tier1

    $17.99 MSRP: $30.99
    Save 42%
  • 22110 Hydrologic SmallBoy Replacement Carbon Filter - Green
  • WHKF-DWHB Whirlpool Comparable Whole House Sediment Water Filter by Tier1
  • TIER1-DGD1-20BB Whole House Sediment Water Filter
  • R30-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • 602636 Viqua Replacement Power Cord

    602636 Viqua Replacement Power Cord

    $18.99
    MSRP: $21.34
    Save 11%
  • 603000 Viqua Safety Cap

    603000 Viqua Safety Cap

    $18.99
    MSRP: $21.34
    Save 11%
  • AF-10-1053 Aries Specialty Cartridge Hydrogen Sulfide Removal
  • PH-2011R Tier1 Pen Type pH Meter

    PH-2011R Tier1 Pen Type pH Meter

    $18.99
    MSRP: $26.99
    Save 30%
  • CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1 (4-Pack)
  • SDC-45-2010 Hydronix Comparable Sediment Water Filter by Tier1
  • HB-20-50W Harmsco Comparable Whole House Sediment Water Filter by Tier1
  • SPC-45-2030 Pentek Comparable Whole House Sediment Water Filter by Tier1
  • SPC-45-2050 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • SPC-45-2020 Hydronix Comparable Pleated Sediment Water Filter (20 in x 4.5 in, 20 Micron) by Tier1
  • Everpure EV9618-02 Comparable Food Service Replacement Filter by Tier1
  • EV9618-02 Everpure Comparable Food Service Replacement Filter by Tier1

Items 145 to 192 of 583 total

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