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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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  • K2528-KK Omnipure GAC Inline Water Filter

    K2528-KK Omnipure GAC Inline Water Filter

    $11.99 Retail Price:  $17.99
  • WS-21 Water Sentinel Misting System Replacement Filter

    WS-21 Water Sentinel Misting System Filter

    Regular Price: $12.99

    Special Price: $12.05

  • 67401 Aquamira Water Purifier Tablets (24-Pack)

    67401 Aquamira Water Purification Tablets (24-Pack)

    $12.95 Retail Price:  $17.19
  • 255541-43 Pentek Inline Water Filter Replacement
  • P5-10BB Tier1 Sediment Water Filter

    P5-10BB Tier1 Sediment Water Filter

    $13.99 Retail Price:  $16.09
  • DGD-2501 Pentek Comparable Whole House Sediment Water Filter by Tier1
  • 158203 Pentek Slim Line Black/Blue w/PR Water Filter System
  • P5-20BB Tier1 Whole House Sediment Water Filter

    P5-20BB Tier1 Whole House Sediment Water Filter

    $17.99 Retail Price:  $27.59
  • S1-20BB Pentek Comparable Whole House Water Filter by Tier1
  • WFHDC3001 DuPont Universal Heavy Duty Pleated Poly Whole House Cartridge
  • RN-001 Viqua Retaining Nut

    RN-001 Viqua Retaining Nut

    $17.99 Retail Price:  $20.34
  • WB-0001 WaterBrick Ventless Spigot Assembly

    WB-0001 WaterBrick Ventless Spigot Assembly

    $17.99 Retail Price:  $22.99

Items 1 to 48 of 472 total

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