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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.

Items 1 to 48 of 51 total

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  • Hydronix SPC-45-1020 Pleated Sediment Water Filter
  • Hydronix SPC-45-1030 Sediment Water Filter - Pleated

    SPC-45-1030 Hydronix Pleated Sediment Water Filter

    As Low As $11.00 Per Filter

  • Pentek P1-20 Whole House Water Filter Replacement Cartridge

    P1-20 Pentek Whole House Filter Replacement Cartridge

    As Low As $9.75 Per Filter

  • TO1SS OmniFilter Whole House Water Filter
  • DGD-5005 Pentek Whole House Filter Cartridge
  • P5-20BB Tier1 Sediment Water Filter

    P5-20BB Tier1 Whole House Sediment Water Filter

    As Low As $11.70 Per Filter

  • DGD-2501 Pentek Comparable Whole House 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
  • SDC-45-1020 Hydronix Comparable Sediment Water Filter by Tier1
  • SDC-45-1010 Hydronix Comparable Sediment Water Filter by Tier1
  • Hydronix SDC-45-1020 Sediment Filter Cartridge
  • DGD-2501 Pentek Whole House Water Filter
  • DGD-7525 Pentek Whole House Sediment Filter
  • Pentek ECP20-20 Replacement Water Filter Cartridge

    ECP20-20 Pentek Replacement Filter Cartridge

    As Low As $11.25 Per Filter

  • Pentek NCP-20 Whole House Water Filter Replacement Cartridge

    NCP-20 Pentek Whole House Filter Replacement Cartridge

    As Low As $13.00 Per Filter

  • Pentek S1-BB Replacement Water Filter Cartridge

    S1-BB Pentek Replacement Filter Cartridge

    As Low As $5.40 Per Filter

  • CMB-510-HF Viqua Sediment Whole House Filter

    CMB-510-HF Viqua Sediment Whole House Filter

    $16.99 Retail Price:  $19.34
  • SDC-45-1050 Hydronix Pleated Water Filter

    SPC-45-1050 Hydronix Polypropylene Spun Water Filter

    As Low As $11.66 Per Filter

  • Pentek C1-20 Carbon Water Filter Replacement Cartridge

    C1-20 Pentek Replacement Filter Cartridge

    As Low As $10.80 Per Filter

  • S1-20BB Pentek Comparable Whole House Water Filter by Tier1
  • RS6-SS2-S06 OmniFilter Whole House Cartridge
  • R30-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • Pentek PD-1-30 Polypropylene Sediment Filter
  • AP111 3M Aqua-Pure Whole House Filter Replacement Cartridge
  • WHKF-WHSW Whirlpool Whole House Replacement Sediment Filter Cartridge (2-Pack)
  • PENTEK-SLIM-PR10-JG38 Pentek Undersink Filter 10 inch Housing
  • 3M Aqua-Pure AP110 Whole House Water Filter Cartridge
  • P1-D Culligan Level 4 Whole House Filter Replacement Cartridge (2-Pack)
  • P5-D Culligan Level 4 Whole House Filter Replacement Cartridge (2-Pack)
  • S1-BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • 158008 Pentek Slim Line Filter Housing - Clear

    158008 Pentek Slim Line Water Filter Housing - Clear

    $12.79 Retail Price:  $16.55
  • 3M Aqua-Pure AP124 Whole House Water Filter Cartridge
  • C1 Pentek Undersink Filter Replacement Cartridge

    C1 Pentek Undersink Filter Replacement Cartridge

    $12.99 Retail Price:  $15.34
  • C8 Pentek Whole House Replacement Filter Cartridge
  • W5W American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • CFS110 Cuno Whole House Filter Replacement Cartridge

    CFS110 Cuno Whole House Filter Replacement Cartridge

    $14.99 Retail Price:  $16.09
  • PD-5-30 Pentek Whole House Replacement Sediment Filter Cartridge

    PD-5-30 Pentek Whole House Sediment Filter Cartridge

    $15.99 Retail Price:  $16.55
  • FPMB-BB20-10 Watts Flo-Pro Whole House Replacement Filter Cartridge
  • K00173 Manitowoc Tri-Liminator Replacement Ice Maker Pre-Filter Cartridge

    K00173 Manitowoc Tri-Liminator Ice Maker Pre-Filter

    $15.99 Retail Price:  $22.34
  • PD-25-30 Pentek Whole House Replacement Sediment Filter Cartridge
  • TO1DS OmniFilter Whole House Replacement Filter Cartridge (2-Pack)
  • PD-1-40 Pentek Whole House Replacement Sediment Filter Cartridge
  • PD-5-40 Pentek Whole House Replacement Sediment Filter Cartridge

    PD-5-40 Pentek Whole House Sediment Filter Cartridge

    $18.99 Retail Price:  $24.34

Items 1 to 48 of 51 total

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