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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Items 1 to 48 of 97 total

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  • Culligan Pre-Reverse Osmosis Carbon Block Comparable Filter by Tier1
  • Hydronix SPC-25-1005 Pleated Water Filter
  • HDG-CB-AC10 Hydronix Comparable PRE-RO Carbon Block Reverse Osmosis Filter by Tier1
  • SPC-25-1020 Hydronix Comparable Pleated Sediment Water Filter by Tier1
  • DGD-5005 Pentek Whole House Filter Replacement Cartridge by Tier1
  • D-15 Culligan Whole Comparable House Carbon Water Filter by Tier1
  • SPC-25-2030 Hydronix Comparable Sediment Water Filter by Tier1
  • SPC-25-2030 Hydronix Comparable Sediment Water Filter by Tier1
  • SPC-25-2050 Hydronix Comparable Sediment Water Filter by Tier1
  • R30-20 Pentek Comparable Sediment Water Filter by Tier1

    R30-20 Pentek Comparable Sediment Water Filter by Tier1

    $11.99 MSRP: $23.99
    Save 50%
  • SPC-25-2001 Hydronix Comparable Pleated 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
  • SWC-45-1001 Comparable Hydronix String-Wound Sediment Water Filter by Tier1
  • Culligan FM-15RA Comparable Faucet Filter Replacement Cartridge By Tier1
  • P10-30 Spun Wound Polypropylene Replacement Filter by Tier1 (10 micron)
  • SDC-25-4050 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • DuPont WFPTC050X Water Pitcher Replacement Cartridge
  • SPC-25-1020 Hydronix Sediment Water Filter
  • PENTEK-255579-43

    PENTEK-255579-43

    $14.29
    MSRP: $18.99
    Save 25%
  • WFFMC300X DuPont Faucet Mount Replacement Cartridge - Ultra Protection Filter
  • SPC-45-1020 Hydronix Comparable Pleated Sediment Water Filter (10 in x 4.5 in, 20 Micron) by Tier1
  • SPC-45-1020 Hydronix Comparable Pleated Sediment Water Filter (10 in x 4.5 in, 20 Micron) by Tier1
  • PENTEK-CB1-10

    PENTEK-CB1-10

    $15.39
  • SDC-25-3001 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • SDC-25-3075 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • HYDRONIX-HF2-10CLWH12

    HYDRONIX-HF2-10CLWH12

    $15.99
    MSRP: $22.99
    Save 30%
  • 158098 Pentek Slim Line Water Filter Housing System

    158098 Pentek Slim Line Water Filter Housing System

    $15.99
    MSRP: $19.99
    Save 20%
  • EP-20 Pentek Comparable Replacement Filter Cartridge by Tier1
  • SPC-45-1001 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • SPC-45-1001 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • Hydronix SDC-25-4050 Polypropylene Sediment Filter
  • SDC-25-4001 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • SDC-25-4010 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • SDC-45-1050 Hydronix Pleated Water Filter

    SPC-45-1050 Hydronix Polypropylene Spun Water Filter

    $16.99 MSRP: $20.69
    Save 18%
  • HB-20-20W Harmsco Comparable Whole House Sediment Water Filter by Tier1
  • 22010 Hydrologic Comparable Whole House Water Filter by Tier1
  • SPC-45-2020 Hydronix Comparable Whole House Water Filter by Tier1 (alternate)
  • L5515 Omnipure GAC Replacement Filter Cartridge

    L5515 Omnipure GAC Replacement Filter Cartridge

    $16.99
    MSRP: $24.99
    Save 32%
  • Hydronix SPC-45-1030 Sediment Water Filter - Pleated
  • EPM-BB Pentek Comparable Carbon Whole House Water Filter
  • EPM-BB Pentek Comparable Whole House Water Filter by Tier1

Items 1 to 48 of 97 total

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