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  • Your filters are guaranteed to be the right fit!
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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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  • EPM-20 Pentek Comparable Whole House Water Filter by Tier1
  • P5-20BB Tier1 Sediment Water Filter

    P5-20BB Tier1 Whole House Sediment Water Filter

    $12.97 MSRP: $25.76
    Save 50%
  • RS6 OmniFilter Comparable Whole House Water Filter by Tier1
  • R30BB Pentek Comparable Whole House Water Filter by Tier1
  • C1-20 Pentek Comparable Whole House Carbon Water Filter by Tier1
  • R50-BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • C1-20 Pentek Comparable Whole House Carbon Water Filter by Tier1
  • SDC-45-1020 Hydronix Comparable Sediment Water Filter by Tier1
  • CP5-BBS-D Culligan Comparable Whole House Water Filter by Tier1
  • SDC-45-1010 Hydronix Comparable Sediment Water Filter by Tier1
  • EP5-20 Tier1 Carbon Block Water Filter

    EP5-20 Tier1 Carbon Block Water Filter

    $15.99 MSRP: $20.69
    Save 23%
  • ECP5-BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • S1-20BB Pentek Comparable Whole House Water Filter by Tier1
  • P5-10 Tier1 Sediment Water Filter (4-pack)
  • EPM-BB Pentek Comparable Carbon Whole House Water Filter
  • Tier1 P20-20BB Whole House Replacement Sediment Filter Cartridge
  • WHKF-DWHB Whirlpool Comparable Whole House Sediment Water Filter by Tier1
  • SDC-45-2010 Hydronix Comparable Sediment Water Filter by Tier1
  • R30-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • 6570090 Tier1 Plastic Tank Ball Valve
  • S1-BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • LF-BLR Tier1 Long-Reach Faucet - Chrome

    LF-BLR Tier1 Long-Reach Faucet - Chrome

    $17.99
    MSRP: $26.32
    Save 32%
  • TPG-100 Tier1 Reverse Osmosis Tank Pressure Gauge
  • PWF-1000 Water Filter Pitcher (6-Cup) by Tier1

    PWF-1000 Water Filter Pitcher (6-Cup) by Tier1

    $17.99
    MSRP: $29.99
    Save 40%
  • LF-BLRAG Tier1 Long-Reach Air-Gap Faucet - Chrome

    LF-BLRAG Tier1 Long-Reach Air-Gap Faucet - Chrome

    $18.99
    MSRP: $34.72
    Save 45%

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