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

Items 1 to 48 of 106 total

Page:
  1. 1
  2. 2
  3. 3

Grid  List 

Set Descending Direction
  • AP117RO 3M Aqua-Pure Reverse Osmosis Filter
  • Aqua-Pure 3M Easy Full Flow Drinking Water Filtration System CYST-FF
  • RFC-BBS-D Culligan Comparable Whole House Carbon Water Filter by Tier1
  • Pentek WP5BB97P Replacement Water Filter Cartridge
  • EP5-10BB Tier1 Carbon Block Water Filter

    EP5-10BB Tier1 Carbon Block Water Filter

    $22.99 MSRP: $26.34
    Save 13%
  • ECP5-BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (12-Pack)
  • 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%
  • FXHTC GE Comparable Whole House Radial Flow Carbon Water Filter by Tier1
  • WRC25HD American Plumber Comparable Whole House Carbon Water Filter by Tier1
  • FLOPLUS-10BB Pentek Comparable Whole House Carbon Water Filter by Tier1
  • KX-MATRIKX-1-20 Matrikx Comparable Whole House Carbon Water Filter by Tier1
  • CR1-20 KX MatrikX Comparable Whole House Carbon Water Filter by Tier1
  • CHLORPLUS-20 Pentek Comparable Whole House Carbon Water Filter by Tier1
  • FLOPLUS-20 Pentek Comparable Whole House Carbon Water Filter by Tier1
  • KX-MATRIKX-1-HD20 Technologies MatrikX Whole House Carbon Filter By Tier1
  • MATRIKX-5-HD20 KX Technologies MatrikX Comparable Whole House Carbon Filter by Tier1
  • FLOPLUS-20BB Pentek Comparable Whole House Carbon Water Filter by Tier1

    FLOPLUS-20BB Pentek Replacement Filter Cartridge by Tier1

    $57.99 MSRP: $136.99
    Save 58%
  • AP817 3M Aqua-Pure Comparable Whole House Carbon Water Filter by Tier 1
  • RFC-BBS-D Culligan Comparable Whole House Carbon Water Filter by Tier1
  • RFC-BB Pentek Comparable Whole House Carbon Water Filter by Tier1
  • EP-BB Pentek Comparable Carbon Block Water Filter by Tier1

    EP-BB Pentek Comparable Carbon Block Water Filter by Tier1

    $22.99 MSRP: $26.34
    Save 13%
  • AP814-2 Aquapure Comparable String Wound Sediment Water Filter (30 micron) by Tier1
  • MAXETW-FF20 Watts Comparable C-MAX Whole House Water Filter Cartridge by Tier1
  • CB-45-2010 Hydronix Comparable Replacement Filter Cartridge by Tier1
  • DBC-10EX2 Pentek Comparable Water Filter Cartridge Replacement by Tier1
  • 3M Aqua-Pure AP117RO Reverse Osmosis Filter (2 Pack)

    3M Aqua-Pure AP117RO Reverse Osmosis Filter (2 Pack)

    $52.99
    MSRP: $66.99
    Save 21%
  • W5CIP American Plumber Undersink Filter Replacement 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 AP111-2 Whole House Water Filter
  • 3M Aqua-Pure AP117 Whole House Water Filter Cartridge

    3M Aqua-Pure AP117 Whole House Filter Replacement Cartridge

    $28.99
    MSRP: $54.13
    Save 46%
  • 3M Aqua-Pure AP124-3 Water Filter

    AP124-3 3M Aqua-Pure Replacement Water Filter

    $29.99
    MSRP: $35.64
    Save 16%
  • 3M Aqua-Pure AP2150  Water Filter
  • 3M Aqua-Pure AP420 Water Filter Replacement Cartridge
  • 3M Aqua-Pure AP431 Inline Filter Replacement Cartridge

    AP431 3M Aqua-Pure Inline Filter Replacement Cartridge

    $30.99
    MSRP: $49.56
    Save 37%
  • 3M Aqua-Pure AP460 Replacement Filter Cartridge
  • 3M Aqua-Pure AP717 Inline Water Filter

    AP717 3M Aqua-Pure Inline Filter System

    $25.99
    MSRP: $34.49
    Save 25%
  • 3M Aqua-Pure AP815 Whole House Water Filter
  • 3M Aqua-Pure AP815-2 Whole House Water Filter

Items 1 to 48 of 106 total

Page:
  1. 1
  2. 2
  3. 3

Grid  List 

Set Descending Direction
Scroll To Top