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

39 Item(s)

Grid  List 

Set Descending Direction
  • 155016-43 Pentek Comparable Whole House Water Filter by Tier1
  • AQUA-PURE-AP124-2C Polypropylene Sediment Water Filter by Tier1
  • AP-GRMB-50PP-20UB 3M Aqua-Pure Comparable Whole House Sediment Filter by Tier1
  • SDC-25-2050 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • GX50-20 Hytrex Comparable Whole House Sediment Water Filter by Tier1
  • PD-50-20 Pentek Comparable Whole House Sediment Water Filter by Tier1
  • SWC-25-20100 Hydronix Comparable String Wound Sediment Water Filter (100 micron) by Tier1
  • SDC-25-2010 Hydronix Comparable Sediment Water Filter by Tier1
  • 22140 Hydrologic TallBoy Sediment Filter

    22140 Hydrologic TallBoy Sediment Filter

    $9.99
    MSRP: $13.79
    Save 28%
  • P1-20 Pentek Comparable Sediment Water Filter by Tier1

    P1-20 Pentek Comparable Sediment Water Filter by Tier1

    $9.99 MSRP: $10.99
    Save 9%
  • SDC-25-2001 Hydronix Comparable Sediment Water Filter by Tier1
  • SWC-25-2001 Hydronix Comparable Whole House Sediment Water Filter by Tier 1
  • PD-1-20 Pentek Comparable Sediment Water Filter by Tier1

    PD-1-20 Pentek Comparable Sediment Water Filter by Tier1

    $9.99 MSRP: $10.99
    Save 9%
  • PS1-20C Pentek Comparable Whole House Sediment Water Filter by Tier1
  • PX01-20 Purtrex Comparable Whole House Sediment Water Filter by Tier1
  • SPC-25-2005 Hydronix Comparable Pleated Sediment Water Filter by Tier1
  • SPC-25-2020 Hydronic Comparable Pleated Sediment Water Filter by Tier1
  • SPC-25-2005 Hydronix Comparable Pleated Sediment Water Filter by Tier1
  • SPC-25-2010 Hydronix Comparable Pleated Sediment Water Filter by Tier1
  • SPC-25-2020 Hydronic Comparable Pleated Sediment Water Filter by Tier1
  • PX75-20 Purtrex Replacement Filter Cartridge

    PX75-20 Purtrex Replacement Water Filter Cartridge

    $4.99
    MSRP: $8.04
    Save 38%
  • P50-20 Tier1 Polypropylene Sediment Water Filter Cartridge
  • PX10-20 Purtrex Replacement Filter Cartridge

    PX10-20 Purtrex Replacement Water Filter

    $6.99
    MSRP: $9.19
    Save 24%
  • PX01-20 Purtrex Replacement Filter Cartridge

    PX01-20 Purtrex Replacement Water Filter Cartridge

    $7.99
    MSRP: $10.34
    Save 23%
  • GX10-20 Hytrex Replacement Filter Cartridge

    GX10-20 Hytrex Water Filter Cartridge

    $7.99
    MSRP: $11.49
    Save 30%
  • GX20-20 Hytrex Replacement Filter Cartridge

    GX20-20 Hytrex Water Filter Cartridge

    $7.99
    MSRP: $11.49
    Save 30%
  • GX50-20 Hytrex Replacement Filter Cartridge

    GX50-20 Hytrex Water Filter Cartridge

    $7.99
    MSRP: $11.49
    Save 30%
  • SDC-25-2010 Hydronix Whole House Replacement Sediment Filter Cartridge
  • GX01-20 Hytrex Replacement Filter Cartridge

    GX01-20 Hytrex Water Filter Cartridge

    $8.99
    MSRP: $12.64
    Save 29%
  • GX03-20 Hytrex Replacement Filter Cartridge

    GX03-20 Hytrex Replacement Water Filter Cartridge

    $8.99
    MSRP: $12.64
    Save 29%
  • SDC-25-2050 Hydronix Sediment Water Filter Cartridge

    SDC-25-2050 Hydronix Sediment Water Filter Cartridge

    $8.99
    MSRP: $11.34
    Save 21%
  • PD-50-20 Pentek Whole House Replacement Sediment Filter Cartridge
  • GX05-20 Hytrex Replacement Filter Cartridge

    GX05-20 Hytrex Replacement Water Filter Cartridge

    $9.99
    MSRP: $11.49
    Save 13%

39 Item(s)

Grid  List 

Set Descending Direction
Scroll To Top