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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25 Item(s)

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  • 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%
  • KE5G2S Pentek Bag Filter

    KE5G2S Pentek Bag Filter

    $5.29
    MSRP: $9.99
    Save 47%
  • FS-1-100 Rusco Spin-Down Replacement Water Filter

    FS-1-100 Rusco Spin-Down Replacement Water Filter

    $11.99
    MSRP: $21.84
    Save 45%
  • 1-100-F Rusco Spin-Down Water Filter System

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

    $60.69
    MSRP: $74.74
    Save 19%
  • 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%
  • 1-100ST-F Rusco Sediment Trapper System

    1-100ST-F Rusco Sediment Trapper System

    $76.99
    MSRP: $90.84
    Save 15%
  • FS-1-140 Rusco Spin-Down Replacement Water Filter

    FS-1-140 Rusco Spin-Down Replacement Water Filter

    $11.99
    MSRP: $18.39
    Save 35%
  • FS-1-100ST Rusco Sediment Trapper Replacement Filter

    FS-1-100ST Rusco Sediment Trapper Replacement Filter

    $14.99
    MSRP: $21.84
    Save 31%
  • FS-1-500 Rusco Spin-Down Replacement Water Filter

    FS-1-500 Rusco Spin-Down Replacement Water Filter

    $13.99
    MSRP: $20.69
    Save 32%
  • FS-1-250 Rusco Spin-Down Replacement Water Filter

    FS-1-250 Rusco Spin-Down Replacement Water Filter

    $13.99
    MSRP: $20.69
    Save 32%
  • FS-1-60 Rusco Spin-Down Polyester Replacement Water Filter

    FS-1-60 Rusco Spin-Down Polyester Replacement Water Filter

    $11.99
    MSRP: $19.54
    Save 39%
  • 1-140-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%
  • FS-1-140ST Rusco Sediment Trapper Polyester Replacement Filter
  • FS-1-24 Rusco Spin-Down Polyester Replacement Water Filter

    FS-1-24 Rusco Spin-Down Polyester Replacement Water Filter

    $11.99
    MSRP: $28.74
    Save 58%
  • FS-1-250ST Rusco Sediment Trapper Polyester Replacement Filter
  • FS-1-30 Rusco Spin-Down Polyester Replacement Filter

    FS-1-30 Rusco Spin-Down Polyester Replacement Filter

    $11.99
    MSRP: $31.04
    Save 61%
  • FS-1-40 Rusco Spin-Down Polyester Replacement Water Filter

    FS-1-40 Rusco Spin-Down Polyester Replacement Water Filter

    $11.99
    MSRP: $19.54
    Save 39%
  • FS-1-500ST Rusco Replacement Polyester Sediment Trapper Filter
  • FS-3/4-100 Rusco Replacement Spin-Down Polyester Water Filter
  • FS-3/4-250 Rusco Spin-Down Polyester Replacement Water Filter
  • FS-3/4-60 Rusco Spin-Down Polyester Replacement Water Filter
  • 1-60-F Rusco Polyester Screened Spin-Down Water Filtration System
  • 931-5 Harmsco Polyester Sediment Filter Cartridge

    931-5 Harmsco Polyester Sediment Filter Cartridge

    $28.49
    MSRP: $38.99
    Save 27%

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