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 97 to 144 of 2200 total

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  • AP-GRMB-20PP-20UB Whole House Water Filter Replacement Cartridge
  • AP-GRMB-50PP-20UB Whole House Water Filter Replacement Cartridge
  • WFDW120009W DuPont Universal Drinking Water Filter System
  • WFDWC70001 DuPont Universal Drinking Water Carbon Block Cartridge
  • WFPF13003B DuPont Universal Whole House Filtration System
  • WFHD13001B DuPont Universal Heavy Duty Whole House Filtration System
  • WFCH2 DuPont Complete Home Water Filtration Kit

    WFCH2 DuPont Complete Home Water Filtration Kit

    $70.99
    MSRP: $98.77
    Save 28%
  • WFDWC20001 DuPont Universal Drinking Water Carbon Block Cartridge
  • WFDWC40001 DuPont Universal Drinking Water Carbon Block Cartridge
  • WFHDC3001 DuPont Universal Heavy Duty Pleated Poly Whole House Cartridge
  • WFHDC8001 DuPont Universal Heavy Duty Carbon Wrap 2-Phase Cartridge
  • WFPF38001C DuPont Universal Valve-In-Head Whole House Water Filtration System
  • WFPFC8002 DuPont Universal Whole House Carbon Wrap Two-Phase Cartridge (2-pack)
  • WFPFC3002 DuPont Universal Whole House Pleated Poly Filter Cartridge (2-Pack)
  • FRSS-1.5 Sterilight 1.5 GPM 1/2-inch Flow Restrictor
  • FRSS-2.5 Sterilight 2.5 GPM 1/2-inch Flow Restrictor
  • FRSS-3.5 Sterilight 3.5 GPM 1/2-inch Flow Restrictor
  • FRSS-6 Sterilight 6 GPM 1-inch Flow Restrictor
  • FRSS-6-34 Sterilight 6 GPM 3/4-inch Flow Restrictor
  • Sterilight 8 GPM 1-inch Flow Restrictor
  • FRSS-10 Sterilight 10 GPM 3/4-inch Flow Restrictor
  • PENTEK-255579-43

    PENTEK-255579-43

    $14.29
    MSRP: $18.99
    Save 25%
  • HYDRONIX-HF2-10CLWH12

    HYDRONIX-HF2-10CLWH12

    $15.99
    MSRP: $22.99
    Save 30%
  • HYDROLOGIC-22160

    HYDROLOGIC-22160

    $12.99
    MSRP: $17.99
    Save 28%
  • Triton Water Filters Replacement Color Changing Di Cartridge Hydrologic 22016
  • OMNIPURE-K2586-KK

    OMNIPURE-K2586-KK

    $14.29
    MSRP: $17.99
    Save 21%
  • HYDROLOGIC-22155

    HYDROLOGIC-22155

    $64.39
    MSRP: $79.99
    Save 20%
  • 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%
  • D-25 Culligan Under Sink Water Filter
  • HAC-10-W Harmsco Activated Carbon Water Filter Cartridge

    HAC-10-W Harmsco Activated Carbon Water Filter Cartridge

    $13.99
    MSRP: $19.99
    Save 30%
  • HARMSCO-WB-20-W

    HARMSCO-WB-20-W

    $10.99
    MSRP: $14.99
    Save 27%
  • HYDRONIX-ICF-2512-ALK

    HYDRONIX-ICF-2512-ALK

    $38.99
    MSRP: $50.99
    Save 24%
  • JURA-64553

    JURA-64553

    $22.19
    MSRP: $29.99
    Save 26%
  • 1236268 Merlin Reverse Osmosis Pre Filter
  • PENTEK-CB1-10

    PENTEK-CB1-10

    $15.39
  • APRC1-P AquaPatrol Ice Machine Replacement Water Filter

    APRC1-P AquaPatrol Ice Machine Replacement Water Filter

    $58.05
    MSRP: $94.99
    Save 39%
  • ZR-001-B ZeroWater 5-Stage Dual Ion Exchange Filter Replacement Cartridge
  • C2-02 Viqua Carbon Whole House Filter

    C2-02 Viqua Carbon Whole House Filter

    $49.99
    MSRP: $89.00
    Save 44%
  • CMB-510-HF Viqua Sediment Whole House Filter

    CMB-510-HF Viqua Sediment Whole House Filter

    $16.99
    MSRP: $19.34
    Save 12%
  • CMB-520-HF Viqua Sediment Whole House Filter

    CMB-520-HF Viqua Sediment Whole House Filter

    $27.99
    MSRP: $39.00
    Save 28%
  • FRSS-1.5 Viqua 1.5 GPM 1/2-inch Flow Restrictor

    FRSS-1.5 Viqua 1.5 GPM 1/2-inch Flow Restrictor

    $52.99
    MSRP: $90.00
    Save 41%
  • FRSS-10 Viqua 10 GPM 3/4-inch Flow Restrictor

    FRSS-10 Viqua 10 GPM 3/4-inch Flow Restrictor

    $64.99
    MSRP: $110.00
    Save 41%
  • FRSS-12 Viqua 12 GPM 1-inch Flow Restrictor

    FRSS-12 Viqua 12 GPM 1-inch Flow Restrictor

    $64.99
    MSRP: $110.00
    Save 41%
  • FRSS-15 Viqua 15 GPM 1-inch Flow Restrictor

    FRSS-15 Viqua 15 GPM 1-inch Flow Restrictor

    $62.99
    MSRP: $110.00
    Save 43%
  • FRSS-2.5 Viqua 2.5 GPM 1/2-inch Flow Restrictor

    FRSS-2.5 Viqua 2.5 GPM 1/2-inch Flow Restrictor

    $69.99
    MSRP: $90.00
    Save 22%

Items 97 to 144 of 2200 total

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