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!
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  • You’re guaranteed to find expert help!

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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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30 Item(s)

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  • FMHC-90-5EZ Flow-Max Jumbo 90 Pleated Water Filter Cartridge - 5 Micron
  • PL44-122NAC15 Pentek Bag Filter Housing - Carbon Steel
  • GP802AL2 Pentek Bag Filter Housing - Aluminum

    GP802AL2 Pentek Bag Filter Housing - Aluminum

    $1,034.99
    MSRP: $1,637.99
    Save 37%
  • MPST-1 Pentek Multi-Purpose Cartridge and Bag Filter Housing - Stainless Steel
  • Harmsco PO-25-G1PS-EA Polypropylene Filter Bag

    Harmsco PO-25-G1PS-EA Polypropylene Filter Bag

    $18.99
    MSRP: $21.34
    Save 11%
  • Pentek BN-420-100 Nylon Filter Bag

    Pentek BN-420-100 Nylon Filter Bag

    $11.39
    MSRP: $18.99
    Save 40%
  • Pentek NMO800K1S Nylon Filter Bag

    Pentek NMO800K1S Nylon Filter Bag

    $6.19
    MSRP: $9.99
    Save 38%
  • PO-25-G2PS-EA Harmsco Bag Filter

    PO-25-G2PS-EA Harmsco Filter Bag

    $22.99
    MSRP: $25.34
    Save 9%
  • KE100G2S Pentek Polyester Felt Bag Filter

    KE100G2S Pentek Polyester Felt Bag Filter

    $5.29
    MSRP: $10.99
    Save 52%
  • KE25G1S Pentek Polyester Felt Bag Filter

    KE25G1S Pentek Polyester Felt Filter Bag

    $4.09
    MSRP: $7.00
    Save 42%
  • KO100G2S Pentek Polypropylene Bag Filter

    KO100G2S Pentek Polypropylene Filter Bag

    $10.99
    MSRP: $12.98
    Save 15%
  • KO25G2S Pentek Polypropylene Bag Filter

    KO25G2S Pentek Polypropylene Bag Filters

    $6.05
    MSRP: $9.42
    Save 36%
  • KO25HE2 Pentek Polypropylene High Efficiency Bag Filter

    KO25HE2 Pentek Polypropylene High Efficiency Bag Filter

    $16.99
    MSRP: $19.34
    Save 12%
  • KO50G2S Pentek Polypropylene Bag Filter

    KO50G2S Pentek Polypropylene Bag Filter

    $6.19
    MSRP: $9.42
    Save 34%
  • KO5G2S Pentek Polypropylene Bag Filter

    KO5G2S Pentek Polypropylene Filter Bag

    $9.59
    MSRP: $16.99
    Save 44%
  • NMO600P1S Pentek Nylon Bag Filter

    NMO600P1S Pentek Nylon Filter Bag

    $5.99
    MSRP: $9.19
    Save 35%
  • ST-BC-8 Pentek Filter Housing - Stainless Steel
  • WPX100BB20P Pentek Replacement Filter Cartridge
  • BN-420-50 Pentek Nylon Bag Filter

    BN-420-50 Pentek Nylon Bag Filter

    $14.99
    MSRP: $15.63
    Save 4%
  • PE25G2S Pentek Polyester Felt Bag Filter
  • 4 BSK 60 Rusco Intake Basket Strainer

    4 BSK 60 Rusco Intake Basket Strainer

    $65.99
    MSRP: $78.19
    Save 16%
  • GP8024S2 304 Pentek Stainless Steel Filter Bag Housing

    GP8024S2 304 Pentek Stainless Steel Filter Bag Housing

    $1,936.99
    MSRP: $2,229.84
    Save 13%
  • 3M Aqua-Pure SS8 EPE-316L Whole House Stainless Steel Filter Housing
  • 660002-R K+ Viqua Professional Plus UltraViolet Disinfection System

    660002-R K+ Viqua Professional Plus UltraViolet Disinfection System

    $4,595.00
    MSRP: $6,125.00
    Save 25%

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