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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.

Items 1 to 48 of 149 total

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  • 36005 Hydrologic SmallBoy De-Chlorinator and Sediment Filter System With Upgraded KDF
  • 31050 Hydrologic TallBoy Sediment Filter & Dechlorinator

    31050 Hydrologic TallBoy Sediment Filter & Dechlorinator

    $153.99 Retail Price:  $183.95
  • P-12 Under Sink Water Replacement Filter Cartridge by Tier1
  • C2-02 Advanced Water Products 20-inch x 4.5-inch Replacement Carbon Whole House Filter
  • C2-02 Viqua Carbon Whole House Filter

    C2-02 Viqua Carbon Whole House Filter

    $54.99 Retail Price:  $89.00
  • CMB-520-HF Viqua Sediment Whole House Filter

    CMB-520-HF Viqua Sediment Whole House Filter

    $27.99 Retail Price:  $39.00
  • P5-10BB Tier1 Sediment Water Filter (4-pack)
  • P5-20BB Tier1 Whole House Sediment Water Filter (2-Pack)
  • C1-20 Pentek Comparable Whole House Water Filter by Tier1 (2-Pack)
  • DGD-5005-20 Pentek Whole House Filter Replacement Cartridge (6-Pack)
  • DGD-5005 Pentek Whole House Filter Replacement Cartridge (20-Pack)
  • ECP5-20 Pentek Replacement Filter Cartridge (20-Pack)
  • ECP5-20 Pentek Replacement Filter Cartridge (6-Pack)
  • ECP5-20BB Pentek Whole House Filter Replacement Cartridge (6-Pack)
  • ECP5-BB Pentek Whole House Filter Replacement Cartridge (12-Pack)
  • ECP5-BB Pentek Whole House Filter Replacement Cartridge (20-Pack)
  • P5-20 Pentek Whole House Filter Replacement Cartridge (12-Pack)
  • DGD-5005-20 Pentek Whole House Water Filter
  • ECP5-20BB Pentek Whole House Filter Cartridge
  • EP-20BB Pentek Replacement Water Filter

    EP-20BB Pentek Replacement Filter Cartridge

    As Low As $40.50 Per Filter

  • EP-BB Pentek Replacement Filter Cartridge

    EP-BB Pentek Replacement Filter Cartridge

    As Low As $22.00 Per Filter

  • EP5-10BB Tier1 Carbon Block Water Filter

    EP5-10BB Tier1 Carbon Block Water Filter

    As Low As $15.60 Per Filter

  • TO6-SS2-S06 OmniFilter Whole House Water Filter
  • ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • EP5-20BB Tier1 Carbon Block Water Filter

    EP5-20BB Tier1 Carbon Block Water Filter

    As Low As $30.00 Per Filter

  • Pentek CFB-Plus10BB Fiberdyne Carbon Filter

    Pentek CFB-Plus10BB Fiberdyne Carbon Filter

    $23.99 Retail Price:  $25.29
  • Hydronix SBD-25-4005-S5 Polypropylene Sediment Filter

    Hydronix SBD-25-4005-S5 Polypropylene Sediment Filter

    $26.99 Retail Price:  $36.79
  • AP327 3M Aqua-Pure Water Filter Replacement Cartridge
  • RWC-5 American Plumber Undersink Filter Replacement Cartridge
  • W5CIP American Plumber Undersink Filter Replacement Cartridge (2-Pack)
  • 3M Aqua-Pure AP101T Whole House Water Filter

    AP101T 3M Aqua-Pure Whole House Water Filtration System

    $103.99 Retail Price:  $137.99
  • 3M Aqua-Pure AP110-2 Whole House Water Filter Cartridge
  • 3M Aqua-Pure AP110-3 Whole House Water Filter

    AP110-3 3M Aqua-Pure Replacement Water Filter Cartridge

    $29.99 Retail Price:  $34.49
  • 3M Aqua-Pure AP117 Whole House Water Filter Cartridge
  • 3M Aqua-Pure AP200 Under Sink Water Filter

    AP200 3M Aqua-Pure Undersink Water Filtration System

    Regular Price: $104.99

    Special Price: $87.05

  • 3M Aqua-Pure AP217 Under Sink Water Filter
  • 3M Aqua-Pure AP317 Water Filter Replacement Cartridge
  • 3M Aqua-Pure AP410 Water Filter Cartridges

    AP410 3M Aqua-Pure Water Filter Cartridge Set (2-Pack)

    $64.99 Retail Price:  $71.29
  • 3M Aqua-Pure AP420 Water Filter Replacement Cartridge

Items 1 to 48 of 149 total

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