Discount Water Filters and Air Filters at Discount Filter Store.com

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  • Our products are price match guaranteed!
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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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46 Item(s)

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  • 255541-43 Pentek Inline Water Filter Replacement
  • WSQC-2 WaterSentinel Reverse Osmosis Carbon GAC Filter Cartridge
  • 150240 Pentek 10-inch Big Blue Housing

    150240 Pentek 10-inch Big Blue Housing

    $29.99
    MSRP: $42.00
    Save 29%
  • WHKF-IMTO Whirlpool Comparable Coconut GAC Inline Water Filter by Tier1 (1/4-inch FPT)
  • CULLIGAN-TS-500

    CULLIGAN-TS-500

    $30.89
  • EFS8002 Everpure Replacement Filter Cartridge

    EFS8002 Everpure Replacement Filter Cartridge

    $48.99
    MSRP: $58.64
    Save 16%
  • EFS8002-S Everpure Replacement Filter Cartridge

    EFS8002-S Everpure Replacement Filter Cartridge

    $52.79
    MSRP: $83.99
    Save 37%
  • EVERPURE-EV9601-00

    EVERPURE-EV9601-00

    $61.99
  • EV9608-10 Everpure 2JT Flushing and Sanitizing Cartridge

    EV9608-10 Everpure 2JT Flushing and Sanitizing Cartridge

    $43.29
    MSRP: $77.99
    Save 44%
  • EVERPURE-EV9612-71

    EVERPURE-EV9612-71

    $52.99
    MSRP: $59.79
    Save 11%
  • EV9617-21 Everpure 4CB5-S Replacement Filter Cartridge

    EV9617-21 Everpure 4CB5-S Replacement Filter Cartridge

    $69.99
    MSRP: $93.99
    Save 26%
  • EV9617-22 Everpure 2CB5-S Replacement Filter Cartridge

    EV9617-22 Everpure 2CB5-S Replacement Filter Cartridge

    $46.65
    MSRP: $65.54
    Save 29%
  • EV9617-36 Everpure 4CB5-K Replacement Filter Cartridge

    EV9617-36 Everpure 4CB5-K Replacement Filter Cartridge

    $69.00
    MSRP: $81.65
    Save 15%
  • EV9619-06 Everpure OW200L Replacement Filter Cartridge

    EV9619-06 Everpure OW200L Replacement Filter Cartridge

    $84.99
    MSRP: $118.99
    Save 29%
  • EV9634-01 Everpure OW2 Plus Replacement Filter Cartridge

    EV9634-01 Everpure OW2 Plus Replacement Filter Cartridge

    $69.99
    MSRP: $87.99
    Save 20%
  • EVERPURE-EV9635-01

    EVERPURE-EV9635-01

    $68.99
  • PENTEK-GS-10-B

    PENTEK-GS-10-B

    $11.09
    MSRP: $12.75
    Save 13%
  • GS-215-CB5-B Pentek Inline Filter Replacement Cartridge
  • GS-6RO-B Pentek Inline Filter Replacement Cartridge
  • AICRO Watts Inline Polishing Filter

    AICRO Watts Inline Polishing Filter

    $7.99
    MSRP: $9.19
    Save 13%
  • AICRO-JGK Watts Inline Filter Cartridge
  • GXILQR GE SmartWater Inline Filter Replacement Cartridge
  • MH09-1812WH Liquatec Reverse Osmosis Membrane Housing - White
  • ELF-DK7 Omnipure Filter Head

    ELF-DK7 Omnipure Filter Head

    $10.99
    MSRP: $16.09
    Save 32%
  • OMNIPURE-K2533BB

    OMNIPURE-K2533BB

    $9.99
    MSRP: $13.79
    Save 28%
  • OMNIPURE-K2567-BB

    OMNIPURE-K2567-BB

    $16.49
    MSRP: $19.54
    Save 16%
  • OMNIPURE-K5515-BB

    OMNIPURE-K5515-BB

    $26.49
  • OMNIPURE-K5562-BB-NRW37

    OMNIPURE-K5562-BB-NRW37

    $22.99
    MSRP: $25.29
    Save 9%
  • OMNIPURE-K5567BB

    OMNIPURE-K5567BB

    $18.79
    MSRP: $23.91
    Save 21%
  • OMNIPURE-K5633BB

    OMNIPURE-K5633BB

    $20.99
  • OMNIPURE-K5633CC

    OMNIPURE-K5633CC

    $15.99
    MSRP: $17.24
    Save 7%
  • OMNIPURE-QNVH-BB

    OMNIPURE-QNVH-BB

    $11.99
    MSRP: $16.09
    Save 25%
  • SCL10-B Omnipure Scale Inline Filter

    SCL10-B Omnipure Scale Inline Filter

    $12.99
    MSRP: $17.24
    Save 25%
  • VH14 Omnipure Filter Head

    VH14 Omnipure Filter Head

    $19.19
    MSRP: $30.99
    Save 38%
  • VH38 Omnipure Filter Head

    VH38 Omnipure Filter Head

    $19.19
    MSRP: $30.99
    Save 38%
  • 3/4-100-F Rusco Spin-Down Water Filter System

    3/4-100-F Rusco Spin-Down Water Filter System

    $77.99
    MSRP: $91.99
    Save 15%
  • 100STSS-F Rusco Sediment Trapper System

    34-100STSS-F Rusco Sediment Trapper System

    $87.99
    MSRP: $103.49
    Save 15%
  • OMNIPURE-K2555-BB

    OMNIPURE-K2555-BB

    $22.09
  • OMNIPURE-K5605-BB

    OMNIPURE-K5605-BB

    $14.29
  • 3/4-30SS-F Rusco Stainless Steel Screen Spin-Down Water Filtration System
  • 3/4-500-F Rusco Polyester Screened Spin-Down Water Filtration System
  • 3/4-500ST-F Rusco Polyester Screen Sediment Trapper System

    3/4-500ST-F Rusco Polyester Screen Sediment Trapper System

    $81.99
    MSRP: $96.59
    Save 15%
  • K5528-BB Omnipure Carbon Inline Water Filter

    K5528-BB Omnipure Carbon Inline Water Filter

    $13.19
    MSRP: $20.99
    Save 37%
  • OMNIPURE-K5520BB

    OMNIPURE-K5520BB

    $25.39
    MSRP: $28.74
    Save 12%
  • OMNIPURE-K5615-BB

    OMNIPURE-K5615-BB

    $24.99
    MSRP: $31.04
    Save 19%
  • OMNIPURE-SL10-C

    OMNIPURE-SL10-C

    $27.39
    MSRP: $32.19
    Save 15%

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