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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.

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  • 22105 Hydrologic SmallBoy Sediment Filter

    22105 Hydrologic SmallBoy Sediment Filter

    $8.99 Retail Price:  $12.06
  • PS5-10C Pentek Comparable Sediment Water Filter by Tier1
  • 155014-43 Pentek Comparable Whole House Sediment Water Filter by Tier1
  • CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1
  • CW-50 Pentek Comparable Whole House Sediment Water Filter by Tier1
  • PD-25-934 Pentek Comparable Whole House Water Filter by Tier1
  • RS2SS OmniFilter Comparable Whole House Water Filter by Tier1
  • AP-GRMB-10PP-10UB Whole House Water Filter Replacement Cartridge
  • AP-GRMB-20PP-10UB Whole House Water Filter Cartridge by 3M Aqua-Pure
  • Hydronix HF2-10CLWH12 Clear 10 inch Filter Housing
  • 22160 Triton Replacement Sediment Filter Cartridge by Hydrologic
  • P5-10 Tier1 Sediment Water Filter (4-pack)
  • CW-MF Pentek Whole House Filter Replacement Cartridge (6-Pack)
  • Pentek CW-MF Whole House Water Filter Replacement Cartridge

    CW-MF Pentek Whole House Filter Replacement Cartridge

    As Low As $5.60 Per Filter

  • P1 Pentek 10 x 2.5-inch Whole House Sediment Water Filter Replacement
  • P5-10 Tier1 Sediment Water Filter

    P5-10 Tier1 Sediment Water Filter

    As Low As $3.00 Per Filter

  • Pentek P1 Polyproplyene Water Filter (10 x 2 1/2)

    P1 Pentek Whole House Filter Replacement Cartridge

    As Low As $5.60 Per Filter

  • PX05-9-78 Purtrex Replacement Water Filter

    PX05-9-78 Purtrex Replacement Water Filter

    As Low As $4.56 Per Filter

  • RS14-SS OmniFilter Whole House Water Filter
  • P20 Pentek 10 x 2.5-inch Comparable Whole House Sediment Water Filter
  • PS5-10C Pentek Comparable Sediment Water Filter by Tier1
  • Hytrex GX-50-9-78 Polypropylene Sediment Filter

    Hytrex GX-50-9-78 Polypropylene Sediment Filter

    $5.99 Retail Price:  $7.12
  • 3M Aqua-Pure AP-GRMB-05PP-10UB
  • OmniFilter RS12-SS6-05 Polypropylene Sediment Filter

    OmniFilter RS12-SS6-05 Polypropylene Sediment Filter

    $4.99 Retail Price:  $8.04
  • W25P American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • W30W American Plumber Whole House Sediment Water Filter Cartridge (2-Pack)
  • W50W American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • W5P American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • W5W American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • WPD-110 American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • 3M Aqua-Pure AP1001 Whole House Water Filter Cartridge
  • 3M Aqua-Pure AP1003 Water Filter Replacement Cartridge (2-Pack)
  • 3M Aqua-Pure AP110 Whole House Water Filter Cartridge
  • AP111 3M Aqua-Pure Whole House Filter Replacement Cartridge
  • 3M Aqua-Pure AP124 Whole House Water Filter Cartridge
  • 3M Aqua-Pure AP420 Water Filter Replacement Cartridge
  • CQE-RC-04049 Crystal Quest Fluoride Multi Replacement 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)
  • RWC-5 Culligan Level 1 Undersink Filter Replacement Cartridge
  • CFS110 Cuno Whole House Filter Replacement Cartridge

    CFS110 Cuno Whole House Filter Replacement Cartridge

    $14.99 Retail Price:  $16.09
  • 3WH-STDSW-F02 Filtrete Replacement Filter Cartridge (2-Pack)

Items 1 to 48 of 94 total

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