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  • Your filters are guaranteed to be the right fit!
  • 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.

31 Item(s)

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  • ECP5-BB Pentek Whole House Water Filter

    ECP5-BB Pentek Whole House Filter Replacement Cartridge

    As Low As $10.20 Per Filter

  • Pentek ECP1-BB Replacement Water Filter Cartridge

    ECP1-BB Pentek Replacement Filter Cartridge

    As Low As $12.83 Per Filter

  • Pentek ECP20-BB Replacement Water Filter Cartridge

    ECP20-BB Pentek Replacement Filter Cartridge

    As Low As $12.00 Per Filter

  • Pentek WP25BB97P Whole House Water Filter Replacement Cartridge
  • Pentek WP5BB97P Replacement Water Filter Cartridge

    WP5BB97P Pentek Replacement Filter Cartridge

    As Low As $17.50 Per Filter

  • Pentek WPX25BB97P Whole House Water Filter Replacement Cartridge
  • SDC-45-2010 Hydronix Comparable Sediment Water Filter by Tier1
  • SDC-45-2050 Hydronix Comparable Sediment Water Filter by Tier1
  • Hydronix SDC-45-2005 Whole House Sediment Filter Cartridge
  • Hydronix SDC-25-4005 Polypropylene Sediment Filter

    Hydronix SDC-25-4005 Polypropylene Sediment Filter

    $11.99 Retail Price:  $13.56
  • Hydronix SDC-25-4025 Polypropylene Sediment Filter

    Hydronix SDC-25-4025 Polypropylene Sediment Filter

    $12.99 Retail Price:  $14.34
  • Hydronix SDC-25-4075 Polypropylene Sediment Filter

    Hydronix SDC-25-4075 Polypropylene Sediment Filter

    $12.99 Retail Price:  $14.34
  • BPHE-420-1 Pentek Polypropylene High Efficiency Bag Filter
  • FS-1-40 Rusco Spin-Down Polyester Replacement Water Filter
  • FS-3/4-100 Rusco Replacement Spin-Down Polyester Water Filter
  • FS-3/4-60 Rusco Spin-Down Polyester Replacement Water Filter
  • BPHE-420-25 Pentek Polypropylene High Efficiency Bag Filter
  • CP5-BBS-D Culligan Level 4 Whole House Filter Replacement Cartridge
  • BPHE-420-5 Pentek Polypropylene High Efficiency Bag Filter
  • FS-3/4-250 Rusco Spin-Down Polyester Replacement Water Filter
  • FS-1-500ST Rusco Replacement Polyester Sediment Trapper Filter
  • FS-1-30SS Rusco Spin-Down Steel Replacement Water Filter

    FS-1-30SS Rusco Spin-Down Steel Replacement Water Filter

    $16.99 Retail Price:  $26.44
  • W20CLHD American Plumber Whole House Heavy Duty Filter Cartridge
  • WP10BB97P Pentek Whole House Filter Replacement Cartridge
  • FS-1-30STSS Rusco Sediment Trapper Steel Replacement Filter
  • FS-1-60STSS Rusco Replacement Steel Sediment Trapper Filter
  • FS-3/4-30SS Rusco Spin-Down Steel Replacement Water Filter
  • WPX100BB97P Pentek Replacement Filter Cartridge

    WPX100BB97P Pentek Replacement Filter Cartridge

    $18.99 Retail Price:  $24.14
  • FS-3/4-100STSS Rusco Replacement Steel Sediment Trapper Filter
  • FS-3/4-60SS Rusco Spin-Down Steel Replacement Water Filter
  • WPX50BB97P Pentek Replacement Filter Cartridge

    WPX50BB97P Pentek Replacement Filter Cartridge

    $19.99 Retail Price:  $24.14

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