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

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  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
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  • You’re guaranteed to find expert help!

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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.

16 Item(s)

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  • WFF-6 Mr. Coffee Brand Comparable Replacement Water Filter by Tier1 (6-Pack)
  • KX Matrikx CTO2-12 Reverse Osmosis Carbon Block Replacement Filter
  • EP10-10 Tier1 Carbon Block Water Filter

    EP10-10 Tier1 Carbon Block Water Filter

    $7.99 MSRP: $10.34
    Save 23%
  • EP5-10 Tier1 Carbon Block Water Filter

    EP5-10 Tier1 Carbon Block Water Filter

    $8.49 MSRP: $11.49
    Save 26%
  • Nubo 57-3052 Volcano Red Neoprene Bottle Cover
  • EP-5 Pentek Replacement Filter Cartridge

    EP-5 Pentek Replacement Filter Cartridge

    $7.49
    MSRP: $11.99
    Save 38%
  • Nubo 57-3045 Bubble Gum Pink Neoprene Bottle Cover

    Nubo 57-3045 Bubble Gum Pink Neoprene Bottle Cover

    $7.49
    MSRP: $18.99
    Save 61%
  • CB-25-1010 Hydronix Carbon Water Filter Replacement

    CB-25-1010 Hydronix Carbon Water Filter Replacement

    $6.99
    MSRP: $10.34
    Save 32%
  • HDG-CB-AC10 Hydronix Reverse Osmosis Filter

    HDG-CB-AC10 Hydronix Reverse Osmosis Filter

    $8.59
    MSRP: $20.99
    Save 59%
  • IC6-38Q Tier1 Inline Water Filter
  • 44191 Camco Odor Absorber (3-Pack)

    44191 Camco X-Odor Eliminator (3-Pack)

    $9.09
    MSRP: $15.99
    Save 43%
  • EPM-10 Pentek Undersink Filter Replacement Cartridge

    EPM-10 Pentek Undersink Filter Replacement Cartridge

    $9.99
    MSRP: $10.57
    Save 5%
  • 01-250-125-050 KX Technologies Replacement Filter Cartridge
  • CFB-Plus10 Pentek Replacement Filter Cartridge

    CFB-Plus10 Pentek Replacement Water Filter Cartridge

    $9.99
    MSRP: $14.13
    Save 29%
  • CB-25-1001 Hydronix Carbon Water Filter

    CB-25-1001 Hydronix Carbon Water Filter

    $9.99
    MSRP: $13.79
    Save 28%
  • 35818 Brita Water Bottle Replacement Filters

    35818 Brita Water Bottle Replacement Filters

    $9.99
    MSRP: $15.00
    Save 33%

16 Item(s)

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