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, & Parts

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 156 total

Page:
  1. 1
  2. 2
  3. 3
  4. 4

Grid  List 

Set Descending Direction
  • AF-20-2015-BB Tier1 Aries Comparable KDF and Carbon Water Filter
  • EPM-20BB Pentek Comparable Whole House Water Filter by Tier1
  • 150564 Pentek Whole House Water Filter System (Clear/ Blue)
  • Pentek 150236 Big Blue Heavy Duty Filter Housing

    Pentek 150236 Big Blue Heavy Duty Filter Housing

    $58.99
    MSRP: $73.99
    Save 20%
  • EPM-BB Pentek Comparable Whole House Water Filter by Tier1 (6-Pack)
  • C1-20 Pentek Comparable Whole House Water Filter by Tier1 (4-Pack)
  • HFPP-34-PR-20 Pentek Big Blue Whole House 20 inch Filter (6-Pack)
  • HFPP-1-PR20 Pentek Big Blue Whole House 20 inch Filter (6-Pack)
  • EP-20BB Pentek Replacement Water Filter
  • EPM-20BB Pentek Whole House Filter Cartridge

    EPM-20BB Pentek Whole House Filter Replacement Cartridge

    $47.99 MSRP: $59.99
    Save 20%
  • GAC20-BB Pentek Whole House Water Filter
  • NCP-20BB Pentek Whole House Filter Replacement

    NCP-20BB Pentek Whole House Filter Replacement Cartridge

    $34.99 MSRP: $48.81
    Save 28%
  • NCP-BB Pentek Whole House Water Filter

    NCP-BB Pentek Whole House Filter Replacement Cartridge

    $32.99 MSRP: $36.34
    Save 9%
  • ECP5-BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (12-Pack)
  • ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (12-Pack)
  • EPM-BB Pentek Comparable Whole House Water Filter by Tier1 (12-Pack)
  • ECP5-BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (4-Pack)
  • ECP5-BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (6-Pack)
  • ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (4-Pack)
  • ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (6-Pack)
  • EPM-BB Pentek Comparable Whole House Water Filter by Tier1 (4-Pack)
  • ECP5-BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (25-Pack)
  • ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (25-Pack)
  • EPM-BB Pentek Comparable Whole House Water Filter by Tier1 (25-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%
  • CB6 OmniFilter Comparable Whole House Carbon Water Filter by Tier1
  • KX-MATRIKX-1-HD10 KX Matrikx Comparable Whole House Carbon Water Filter By Tier1
  • FLOPLUS-10BB 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%
  • PB1-HD20 KX Matrikx Comparable Whole House Carbon Water Filter by Tier1
  • 22070 Hydrologic Comparable Whole House Carbon Filter by Tier1
  • WRC25HD20 American Plumber Comparable Granular Activated Carbon Filter by Tier1
  • GAC20-BB Pentek Comparable Granular Activated Carbon Filter by Tier1
  • AP817-2 Aquapure Comparable Granular Activated Carbon Filter by Tier1
  • FXB20RFL Filtrex Comparable Granular Activated Carbon Filter by Tier1
  • EPM-20BB Pentek Comparable Whole House Water Filter by Tier1

    EPM-20BB Pentek Comparable Whole House Water Filter by Tier1

    $36.99 MSRP: $48.99
    Save 24%
  • RFC-20BB Whole House Filter Replacement Cartridge by Tier1

    RFC-20BB Whole House Filter Replacement Cartridge by Tier1

    $48.99
    MSRP: $56.99
    Save 14%
  • MAXETW-FF20 Watts Comparable C-MAX Whole House Water Filter Cartridge by Tier1
  • CB-45-2010 Hydronix Comparable Replacement Filter Cartridge by Tier1
  • W30PE American Plumber Comparable Whole House Sediment Filter Cartridge by Tier1 (2-Pack)
  • PL44-122NAC15 Pentek Bag Filter Housing - Carbon Steel
  • GP802AL2 Pentek Bag Filter Housing - Aluminum

    GP802AL2 Pentek Bag Filter Housing - Aluminum

    $1,034.99
    MSRP: $1,637.99
    Save 37%

    Out of stock

  • MPST-1 Pentek Multi-Purpose Cartridge and Bag Filter Housing - Stainless Steel
  • PBH-410-1 Pentek Bag Filter Housing with 1-inch Inlet/Outlet

    PBH-410-1 Pentek Filter Bag Housing

    $123.99
    MSRP: $126.34
    Save 2%
  • PBH-410-1-5 Pentek Bag Filter Housing with 1.5-inch Inlet/Outlet

    PBH-410-1-5 Pentek Filter Bag Housing (1.5 Inch Inlet/Outlet)

    $99.99
    MSRP: $113.61
    Save 12%

    Out of stock

  • 10-212 Pentek UV Lamp

    10-212 Pentek UV Lamp

    $49.69
    MSRP: $64.99
    Save 24%

Items 1 to 48 of 156 total

Page:
  1. 1
  2. 2
  3. 3
  4. 4

Grid  List 

Set Descending Direction
Scroll To Top