Discount Water Filters and Air Filters at Discount Filter Store.com

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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.

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47 Item(s)

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  • 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
  • WFFMC303X DuPont Faucet Mount Replacement Cartridges - Ultra Protection Filter (3-pack)
  • CB1-10 Pentek Carbon Block Water Filter Replacement

    CB1-10 Pentek Carbon Block Water Filter Replacement

    $15.39
    MSRP: $23.99
    Save 36%
  • SPC-25-1001 Hydronix Pleated Sediment Filter

    SPC-25-1001 Hydronix Pleated Sediment Water Filter

    $6.99 MSRP: $8.04
    Save 13%
  • SPC-45-1001 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • SPC-45-1001 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • SWC-45-1001 Comparable Hydronix String-Wound Sediment Water Filter by Tier1
  • SPC-25-2001 Hydronix Comparable Pleated Sediment Water Filter by Tier1
  • SPC-45-2001 Hydronix Comparable Pleated Sediment Water Filter by Tier1
  • SWC-45-2001 Hydronix Comparable String-Wound Sediment Water Filter by Tier1
  • SWC-45-1001 Comparable Hydronix String-Wound Sediment Water Filter by Tier1
  • SWC-45-1005 Hydronix Comparable String-Wound Sediment Water Filter by Tier1
  • SWC-45-1010 Hydronix Comparable String-Wound Sediment Water Filter by Tier1
  • WP10BB97P Pentek Comparable String-Wound Sediment Water Filter by Tier1
  • WP5BB97P Pentek Comparable String-Wound Sediment Water Filter by Tier1
  • WPX10BB97P Pentek Comparable String-Wound Sediment Water Filter by Tier1
  • WPX5BB97P Pentek Comparable String-Wound Sediment Water Filter by Tier1
  • SPC-25-2001 Hydronix Comparable Pleated Sediment Water Filter by Tier1
  • SPC-45-2001 Hydronix Comparable Pleated Sediment Water Filter by Tier1
  • FM-BB-20-1A Flow Max Comparable Pleated Sediment Water Filter by Tier1
  • HB-20-1W Harmsco Comparable Pleated Sediment Water Filter by Tier1
  • SWC-45-2001 Hydronix Comparable String-Wound Sediment Water Filter by Tier1
  • WP1BB20P Pentek Comparable String-Wound Sediment Water Filter by Tier1
  • Hydronix SDC-25-3001 Polypropylene Sediment Filter
  • BGE-4200 BevGuard Water Filter Replacement Cartridge

    BGE-4200 BevGuard Water Filter Replacement Cartridge

    $63.29
    MSRP: $86.99
    Save 27%
  • SPC-45-1001 Hydronix Pleated Sediment Water Filter

    SPC-45-1001 Hydronix Pleated Sediment Water Filter

    $20.99
    MSRP: $27.99
    Save 25%
  • SWC-45-2001 Hydronix String Wound Sediment Water Filter
  • SPC-25-2001 Hydronix Pleated Sediment Water Filter

    SPC-25-2001 Hydronix Pleated Sediment Water Filter

    $18.99
    MSRP: $25.99
    Save 27%
  • SWC-45-1001 Hydronix String-Wound Sediment Water Filter

    SWC-45-1001 Hydronix String-Wound Sediment Water Filter

    $17.99
    MSRP: $18.39
    Save 2%
  • SDC-25-2001 Hydronix Sediment Water Filter Cartridge
  • WQCCC11 Watts Kwik-Change Pre-Carbon Water Filter Cartridge

    WQCCC11 Watts Kwik-Change Pre-Carbon Water Filter Cartridge

    $17.99
    MSRP: $25.29
    Save 29%
  • CB-25-1001 Hydronix Carbon Water Filter

    CB-25-1001 Hydronix Carbon Water Filter

    $9.99
    MSRP: $13.79
    Save 28%
  • K5515-JJ Omnipure Inline Water Filter

    K5515-JJ Omnipure Inline Water Filter

    $23.99
    MSRP: $29.89
    Save 20%
  • SPC-45-2001 Hydronix Pleated Sediment Water Filter

    SPC-45-2001 Hydronix Pleated Sediment Water Filter

    $29.99
    MSRP: $34.49
    Save 13%
  • E5520-K Omnipure Water Filter

    E5520-K Omnipure Water Filter

    $19.79
    MSRP: $25.99
    Save 24%
  • ELF-XL-1M-P-KDF Omnipure Carbon Block Water Filter

    ELF-XL-1M-P-KDF Omnipure Carbon Block Water Filter

    $39.59
    MSRP: $48.99
    Save 19%
  • FM-BB-20-1A Watts Pleated Water Filter Cartridge
  • SBC-25-1001 Hydronix Sediment Water Filter Cartridge
  • SDC-25-1001 Hydronix Sediment Water Filter Cartridge
  • SWC-25-1001 Hydronix String Wound Sediment Water Filter
  • E5615-P Omnipure E-Series Water Filter

    E5615-P Omnipure E-Series Water Filter

    $29.99
    MSRP: $42.54
    Save 30%
  • SDC-25-4001 Hydronix Sediment Water Filter Cartridge

    SDC-25-4001 Hydronix Sediment Water Filter Cartridge

    $12.99
    MSRP: $16.09
    Save 19%
  • Dupont WFFM300XW Low Profile Faucet Mount Drinking Water Filter System
  • Dupont WFFM350XW Deluxe Faucet Mount Drinking Water Filter System
  • AP-GRMB-01PP-10UB Whole House Replacement Cartridge by 3M Aqua-Pure

47 Item(s)

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