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  • Your filters are guaranteed to be the right fit!
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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 267 total

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  • TO1SS OmniFilter Whole House Water Filter
  • 22105 Hydrologic SmallBoy Sediment Filter

    22105 Hydrologic SmallBoy Sediment Filter

    $8.99 Retail Price:  $12.06
  • 22140 Hydrologic TallBoy Sediment Filter

    22140 Hydrologic TallBoy Sediment Filter

    $9.99 Retail Price:  $13.79
  • RS2SS OmniFilter Comparable Whole House Water Filter by Tier1
  • 155016-43 Pentek Comparable Whole House Water Filter by Tier1
  • AP-GRMB-05PP-20UB Whole House Replacement Filter by 3M Aqua-Pure
  • C2-02 Viqua Carbon Whole House Filter

    C2-02 Viqua Carbon Whole House Filter

    $54.99 Retail Price:  $89.00
  • CMB-510-HF Viqua Sediment Whole House Filter

    CMB-510-HF Viqua Sediment Whole House Filter

    $16.99 Retail Price:  $19.34
  • CMB-520-HF Viqua Sediment Whole House Filter

    CMB-520-HF Viqua Sediment Whole House Filter

    $27.99 Retail Price:  $39.00
  • P5-10 Tier1 Sediment Water Filter (4-pack)
  • P5-10BB Tier1 Sediment Water Filter (4-pack)
  • P5-20BB Tier1 Whole House Sediment Water Filter (2-Pack)
  • ECP5-20 Pentek Replacement Filter Cartridge (6-Pack)
  • KX Matrikx CTO2-12 Reverse Osmosis Carbon Block Replacement Filter
  • P5-20 Pentek Whole House Filter Replacement Cartridge (12-Pack)
  • Hydronix SDC-45-2005 Whole House Sediment Filter Cartridge
  • Hydronix SPC-25-1005 Pleated Water Filter

    SPC-25-1005 Hydronix Pleated Sediment Water Filter

    As Low As $5.16 Per Filter

  • Hydronix SPC-45-1005 Whole House Sediment Filter Cartridge
  • DGD-5005-20 Pentek Whole House Water Filter
  • DGD-5005 Pentek Whole House Filter Cartridge
  • ECP5-20BB Pentek Whole House Filter Cartridge
  • ECP5-BB Pentek Whole House Water Filter

    ECP5-BB Pentek Whole House Filter Replacement Cartridge

    As Low As $10.20 Per Filter

  • Pentek EP-10 Replacement Water Filter Cartridge

    EP-10 Pentek Replacement Filter Cartridge

    As Low As $7.80 Per Filter

  • Pentek EP-20 Replacement Water Filter Cartridge

    EP-20 Pentek Replacement Filter Cartridge

    As Low As $15.50 Per Filter

  • 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

  • EP5-10 Tier1 Carbon Block Water Filter

    EP5-10 Tier1 Carbon Block Water Filter

    As Low As $3.82 Per Filter

  • P5-10 Tier1 Sediment Water Filter

    P5-10 Tier1 Sediment Water Filter

    As Low As $3.00 Per Filter

  • P5-10BB Tier1 Sediment Water Filter

    P5-10BB Tier1 Sediment Water Filter

    As Low As $7.75 Per Filter

  • P5-20 Tier1 Sediment Water Filter

    P5-20 Tier1 Whole House Sediment Water Filter

    As Low As $4.48 Per Filter

Items 1 to 48 of 267 total

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