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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  1. Katadyn 8018342 MyBottle Microfilter Red Splash

    Katadyn 8018342 MyBottle Microfilter Red Splash

    Perfect for outdoor enthusiasts, campers, hunters, survivalists, and anyone traveling to places with questionable water quality Learn More
    $40.99 MSRP:  $59.79
  2. 8014235 Katadyn Exstream Ultralight Series 21-Ounce Personal Water Purifier Bottle - Olive
  3. 8014201 Katadyn Exstream Ultralight Series 21-Ounce Personal Water Purifier Bottle - Yellow
  4. 20Z-NBL Built NY Bottle Tote - Blue
  5. 8014200 Katadyn Exstream XR Ultralight Series 28-Ounce Personal Water Purifier Bottle - Blue
  6. 8014234 Katadyn Exstream XR Ultralight Series 28-Ounce Personal Water Purifier Bottle - Olive
  7. 67300 Aquamira Home Emergency Drinking Water Kit
  8. APHOSF-RC 3M Aqua-Pure High-Output Shower Filter Cartridge

    APHOSF-RC 3M Aqua-Pure High-Output Shower Filter Cartridge

    Fits 3M Aqua-Pure high-output filtered showerheads Learn More
    $40.99 MSRP:  $42.54
  9. 3M Aqua-Pure APIL3R Inline Water Filter

    The APIL3R 3M Aqua-Pure Inline Water Filter Cartridge has been discontinued by the manufacturer

    Fits the 3M Aqua-Pure APIL3 inline water filtration system Learn More
  10. FXHTC GE SmartWater Whole House Filter Replacement Cartridge

    FXHTC GE SmartWater Whole House Filter Replacement Cartridge

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 4 1/2 filter cartridges Learn More
    $40.99 MSRP:  $49.99
  11. VIH-34-PR10 Pentek Whole House Valve-in-Head 10 inch Filter Housing
  12. 47-55711G2 Water Factory Systems Whole House Replacement Filter Cartridge

    47-55711G2 Water Factory Systems Whole House Replacement Filter Cartridge

    Fits 3M Cuno Water Factory FaucetMATE FM-2 Lead Plus and FM-350 DWS systems Learn More
    $40.99 MSRP:  $52.89
  13. MATRIKX-5-HD10 KX Technologies MatrikX Whole House Filter Replacement Cartridge

    MATRIKX-5-HD10 KX Technologies MatrikX Whole House Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 4 1/2-inch replacement filter cartridges Learn More
  14. 3M Aqua-Pure AP110-3C Whole House Water Filter

    AP110-3C 3M Aqua-Pure Water Filter Cartridge

    Sized 30 by 2 5/8 inches Learn More
    $40.99 MSRP:  $49.44
  15. RS-502-MS Rainshowr Shower Filter System with Massage - White

    RS-502-MS Rainshowr Shower Filter System with Massage - White

    Fits most residential showers and baths Learn More
    $41.05 MSRP:  $51.74
  16. HFPP-112-PR10 Pentek Big Blue Whole House 10 inch Filter Housing
  17. 3M Aqua-Pure APLPSF-PC Low Profile Shower Filter - Chrome
  18. E5715-P Omnipure Replacement Filter Cartridge

    E5715-P Omnipure Replacement Filter Cartridge

    Fits Omnipure ELF Series and Everpure permanent filter heads including Insurice, H-100, H-50, OCS, OCS-2, QL-2, and QL-9 Learn More
    $41.79 MSRP:  $55.99
  19. 42632 Brita Chrome SMART OB39 64-Ounce Water Pitcher
  20. 3US-AS01 Filtrete Undersink Filter System
  21. GXULQR GE Undersink Water Filter Replacement Cartridge

    GXULQR GE Undersink Water Filter Replacement Cartridge

    Fits the GE GXULQ and GNULQ Systems Learn More
    $41.99
  22. HFPP-34-PR-10 Pentek Big Blue Whole House 10 inch Filter Housing
  23. QMP602 QMP Countertop Water Filter System

    QMP602 QMP Countertop Filter System

    Fits standard kitchen faucets Learn More
    $41.99 MSRP:  $45.99
  24. 01007402 Culligan Reverse Osmosis Membrane

    01007402 Culligan Reverse Osmosis Membrane

    Fits into Culligan AC15, AC30, H8, H83, H83S-R and LC50 reverse osmosis filtration systems Learn More
  25. AE7-CM Sprite Shower Pure 7 Filtered Shower Head (Chrome)

    Sprite AE7-CM Shower Pure 7 Filtered Shower Head (Chrome)

    Fits most existing showers Learn More
    $41.99 MSRP:  $54.00

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