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 264 total

Page:
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Grid  List 

Set Descending Direction
  • 8017757 Katadyn MyBottle Ultralight Series 24-Ounce Personal Water Purifier Bottle - Green Deer
  • OMNIPURE-K5520SS

    OMNIPURE-K5520SS

    $21.09
    MSRP: $27.59
    Save 24%
  • PS1-20C Pentek Sediment Water Filter

    PS1-20C Pentek Sediment Water Filter

    $7.99
    MSRP: $13.55
    Save 41%
  • TIER1-P1-20BB

    TIER1-P1-20BB

    $21.99
  • HYDRONIX-SDC-25-4001

    HYDRONIX-SDC-25-4001

    $19.99
  • Hydronix SDC-25-3001 Polypropylene Sediment Filter
  • WFFMC100X DuPont Faucet Mount Replacement Cartridge - High Protection Filter
  • WFFMC103X DuPont Faucet Mount Replacement Cartridges - High Protection Filter (3-pack)
  • WFFMC300X DuPont Faucet Mount Replacement Cartridge - Ultra Protection Filter
  • PENTEK-CB1-10

    PENTEK-CB1-10

    $15.39
  • DUPONT-WFQTC90001
  • DuPont WFFS150XCH Chrome Counter Top Faucet System
  • Hydronix SDC-45-2001 Whole House Sediment Filter Cartridge
  • SPC-25-1001 Hydronix Pleated Sediment Filter

    SPC-25-1001 Hydronix Pleated Sediment Water Filter

    $4.99 MSRP: $8.04
    Save 38%
  • Pentek CHLORPLUS-10 Whole House Water Filter Replacement Cartridge
  • DGD-2501-20 Pentek Whole House Sediment Filter
  • DGD-2501 Pentek Whole House Water Filter
  • Pentek ECP1-10 Replacement Water Filter Cartridge

    ECP1-10 Pentek Replacement Filter Cartridge

    $12.99 MSRP: $17.99
    Save 28%
  • Pentek ECP1-20BB Replacement Water Filter Cartridge
  • Pentek ECP1-BB Replacement Water Filter Cartridge

    Pentek ECP1-BB Water Filter Cartridge Replacement

    $16.79 MSRP: $17.12
    Save 2%
  • Pentek P1-20 Whole House Water Filter Replacement Cartridge
  • P1 Pentek 10 x 2.5-inch Whole House Sediment Water Filter Replacement
  • DGD-2501 Pentek Comparable Whole House Filter by Tier1
  • Pentek P1 Polyproplyene Water Filter (10 x 2 1/2)

    P1 Pentek Whole House Filter Replacement Cartridge

    $4.09 MSRP: $7.00
    Save 42%
  • P1-20 Pentek Comparable Sediment Water Filter by Tier1
  • P1-20BB Sediment Water Filter by Tier1
  • TIER1-FS-1003

    TIER1-FS-1003

    $30.99
    MSRP: $78.99
    Save 61%
  • TIER1-FS-1004

    TIER1-FS-1004

    $59.99
    MSRP: $116.99
    Save 49%
  • TIER1-FS-1006

    TIER1-FS-1006

    $19.95
    MSRP: $68.99
    Save 71%
  • TIER1-FS-1002

    TIER1-FS-1002

    $26.99
    MSRP: $92.99
    Save 71%
  • SDC-25-0501 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • SPC-45-1001 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • ECP1-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • PD-1-934-Pentek Comparable Whole House Sediment Water Filter by Tier1
  • PS1-10C Pentek Comparable Whole House Sediment Water Filter by Tier1
  • PX01-9-78 Purtrex Comparable Whole House Sediment Water Filter by Tier1
  • SDC-45-1001 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • RS16 Omnifilter Comparable Whole House Sediment Water Filter by Tier1
  • 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
  • PS1-20C Pentek Comparable Whole House Sediment Water Filter by Tier1

Items 1 to 48 of 264 total

Page:
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Grid  List 

Set Descending Direction
Scroll To Top