Discount Water Filters and Air Filters at Discount Filter Store.com

When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

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.

Clear All
Compare

15 Item(s)

Grid  List 

Set Descending Direction
  • C2-02 Advanced Water Products 20-inch x 4.5-inch Replacement Carbon Whole House Filter
  • EP-20BB Pentek Replacement Water Filter
  • EP-20BB Pentek Comparable Carbon Block Water Filter by Tier1

    EP-20BB Pentek Comparable Carbon Block Water Filter by Tier1

    $47.99 MSRP: $69.77
    Save 31%
  • MAXETW-FF20 Watts Comparable C-MAX Whole House Water Filter Cartridge by Tier1
  • CB-45-2010 Hydronix Comparable Replacement Filter Cartridge by Tier1
  • 3M Aqua-Pure AP815-2 Whole House Water Filter
  • CFB-PLUS20BB Pentek Replacement Water Filter Cartridge

    CFB-PLUS20BB Pentek Replacement Water Filter Cartridge

    $45.39
    MSRP: $67.99
    Save 33%
  • CQE-RC-04036 Crystal Quest Carbon Block Water Filter Cartridge
  • 22070 Hydrologic BigBoy Replacement Carbon Filter

    22070 Hydrologic BigBoy Replacement Carbon Filter

    $88.99
    MSRP: $123.04
    Save 28%
  • MAXETW-FF20 Watts C-MAX Whole House Replacement Filter Cartridge
  • CTO2-HD20 Hydronix Whole House Filter Replacement by Tier1

    CTO2-HD20 Hydronix Whole House Filter Replacement by Tier1

    $47.99 MSRP: $69.77
    Save 31%
  • MAXETW-FF20 Matrikx Whole House Filter Replacement by Tier1

    MAXETW-FF20 Matrikx Whole House Filter Replacement by Tier1

    $47.99 MSRP: $69.77
    Save 31%
  • CQE-RC-04036 Crystal Quest Carbon Block Water Filter Cartridge Comparable by Tier1
  • MATRIKX-CTO2-HD20 KX Technologies MatrikX Comparable Whole House Filter Replacement Cartridge by Tier1
  • C2-02 Viqua Comparable Carbon Whole House Filter by Tier1

    C2-02 Viqua Comparable Carbon Whole House Filter by Tier1

    $47.99 MSRP: $69.77
    Save 31%

15 Item(s)

Grid  List 

Set Descending Direction
Scroll To Top