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

When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

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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15 Item(s)

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  • HYDRONIX-HF2-10CLWH14

    HYDRONIX-HF2-10CLWH14

    $16.99
    MSRP: $17.24
    Save 1%
  • RCCQ-PC Rainshowr Shower Replacement Filter Cartridge - Clear Polycarbonate
  • WHKF-DWHBB Whirlpool Filter Housing with Pressure Relief Valve - Clear
  • RUSCO-1-100-F

    RUSCO-1-100-F

    $60.69
  • 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%
  • 1-100SS-F Rusco Spin-Down Water Filter System

    1-100SS-F Rusco Spin-Down Water Filter System

    $72.49
    MSRP: $90.84
    Save 20%
  • PENTEK-153018

    PENTEK-153018

    $18.99
    MSRP: $21.84
    Save 13%
  • PENTEK-153128

    PENTEK-153128

    $19.99
    MSRP: $23.56
    Save 15%
  • PENTEK-158008

    PENTEK-158008

    $12.79
    MSRP: $16.55
    Save 23%
  • PENTEK-158110

    PENTEK-158110

    $18.99
    MSRP: $22.41
    Save 15%
  • PENTEK-158117

    PENTEK-158117

    $18.99
  • PENTEK-158643

    PENTEK-158643

    $24.99
    MSRP: $25.98
    Save 4%
  • PENTEK-BIG-CLEAR-LX-10

    PENTEK-BIG-CLEAR-LX-10

    $92.99
    MSRP: $100.04
    Save 7%
  • W10FFPH1CBPR Watts Full Flow Whole House Water Filter Housing
  • FH4200CW12 Watts Flowmatic Clear Water Filter Housing

    FH4200CW12 Watts Flowmatic Clear Water Filter Housing

    $28.99
    MSRP: $31.04
    Save 7%

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