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

19 Item(s)

Grid  List 

Set Descending Direction
  • TIER1-SDC5-934

    TIER1-SDC5-934

  • P5-20 Pentek Comparable Whole House Sediment Water Filter by Tier1
  • RWC-5 Culligan Comparable Whole House Water Filter by Tier1
  • PX05-9-78 Purtrex Replacement Water Filter

    PX05-9-78 Purtrex Replacement Water Filter

    $5.99 MSRP: $9.99
    Save 40%
  • KX Matrikx CTO2-12 Reverse Osmosis Carbon Block Replacement Filter
  • AP110 3M Aqua-Pure Comparable Whole House Sediment Water Filter by Tier1
  • AP420 3M Aqua-Pure Comparable Whole House Filter Replacement Cartridge by Tier1
  • EP-10 Pentek Comparable Carbon Block Water Filter by Tier1

    EP-10 Pentek Comparable Carbon Block Water Filter by Tier1

    $8.49 MSRP: $11.49
    Save 26%
  • EP-5 Pentek Replacement Filter Cartridge

    EP-5 Pentek Replacement Filter Cartridge

    $7.19
    MSRP: $11.99
    Save 40%
  • HDG-SED-ACS Hydronix Replacement Filter Cartridge
  • SDC-25-1005 Hydronix Whole House Replacement Sediment Filter Cartridge
  • WP-5 Pentek Replacement Filter Cartridge

    WP-5 Pentek Replacement Filter Cartridge

    $6.99
    MSRP: $8.84
    Save 21%
  • P5-D Culligan Comparable Whole House Filter Replacement Cartridge by Tier1 (2-Pack)
  • CFB-Plus10 Pentek Replacement Filter Cartridge

    CFB-Plus10 Pentek Replacement Water Filter Cartridge

    $9.99
    MSRP: $14.13
    Save 29%
  • SDC-25-2005 Hydronix Comparable Whole House Replacement Sediment Filter Cartridge by Tier1
  • Pentek PS5-10C Whole House Replacement Sediment Water Filter Cartridge
  • HAC-10-LR-W Harmsco Whole House Wilter Replacement by Tier1

    HAC-10-LR-W Harmsco Whole House Wilter Replacement by Tier1

    $8.49 MSRP: $11.49
    Save 26%
  • Pentek PS5-20C Whole House Replacement Sediment Water Filter Cartridge
  • CULLIGAN-SCWH-5

    CULLIGAN-SCWH-5

    $9.99
    MSRP: $10.99
    Save 9%

19 Item(s)

Grid  List 

Set Descending Direction
Scroll To Top