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. 47-55702G2 Water Factory Systems Whole House Replacement Sediment Filter Cartridge

    47-55702G2 Water Factory Systems Whole House Replacement Sediment Filter Cartridge

    Fits 3M Cuno Water Factory SQC reverse osmosis systems Learn More
  2. 47-55706G2 Water Factory Systems Whole House Replacement Filter Cartridge

    47-09290G2 Water Factory Systems Whole House Replacement Filter Cartridge

    Fits 3M Cuno Water Factory SQC3 and SQC3OT reverse osmosis systems Learn More
    $26.99 MSRP:  $36.79
  3. 3MROP416-20A Water Factory Systems Replacement Filter Cartridge

    3MROP416-20A Water Factory Systems Replacement Filter Cartridge

    Fits 3M Cuno Water Factory FaucetMATE FM-2 Lead Plus and FM-350 DWS systems Learn More
    $35.99 MSRP:  $48.99
  4. 47-55708G2 Water Factory Systems Replacement Filter Cartridge

    47-9296G2 Water Factory Systems Replacement Filter Cartridge

    Fits 3M Cuno Water Factory FaucetMATE FM-2-CTO two-stage system Learn More
    $47.39 MSRP:  $63.99
  5. 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
  6. 47-55712G2 Water Factory Systems Replacement Filter Cartridge

    47-9212G2 Water Factory Systems Replacement Filter Cartridge

    Fits 3M Cuno Water Factory FaucetMATE FM-2-CTO two-stage system Learn More
    $28.05 MSRP:  $51.28
  7. 47-5574704 Water Factory Systems FaucetMATE Carbon Block Filter

    47-5574704 Water Factory Systems FaucetMATE Carbon Block Filter

    Fits 3M Cuno Water Factory FaucetMATE FM DWS 1500 one-stage system Learn More
    $63.99 MSRP:  $105.99
  8. FM-350-DWS Water Factory Systems FaucetMATE Faucet Filter System
  9. FM-1500-DWS Water Factory Systems Drinking Water Filtration System

    FM-1500-DWS Water Factory Systems Drinking Water Filtration System

    Sized 4-inch Diameter x 14.5-inches Tall Learn More
    $171.99 MSRP:  $232.29
  10. 66-1311 Water Factory Systems Reverse Osmosis Membrane

    66-1311 Water Factory Systems Reverse Osmosis Membrane

    Fits the 3M Cuno HP-300 Commercial Reverse Osmosis System Learn More
    $365.99 MSRP:  $488.74
  11. 66-1315 Water Factory Systems Reverse Osmosis Membrane

    66-1315 Water Factory Systems Reverse Osmosis Membrane

    Fits the 3M Cuno HP-900 Commercial Reverse Osmosis System Learn More
    $529.99 MSRP:  $611.79
  12. 66-4311 Water Factory Systems Reverse Osmosis Membrane

    66-4311 Water Factory Systems Reverse Osmosis Membrane

    Fits the 3M Cuno LP-80 Commercial Reverse Osmosis System Learn More
    $359.29 MSRP:  $693.99
  13. 66-4506G2 Water Factory Systems Countertop Reverse Osmosis Membrane

    66-4506G2 Water Factory Systems Countertop Reverse Osmosis Membrane

    Fits 3M Cuno Water Factory SQC 30T & SQC 40T reverse osmosis systems Learn More
    $154.29 MSRP:  $185.99
  14. 3MROM413-20A Water Factory Systems TFC Reverse Osmosis Membrane

    3MROM413-20A Water Factory Systems TFC Reverse Osmosis Membrane

    Fits 3M Cuno Water Factory SQC reverse osmosis systems Learn More
    $129.49 MSRP:  $167.99
  15. 66-4709G2 Water Factory Systems Reverse Osmosis Membrane

    66-8709G2 Water Factory Systems Reverse Osmosis Membrane

    Fits 3M Cuno Water Factory SQC PRO C-80 reverse osmosis systems only Learn More
    $188.09 MSRP:  $251.99
  16. SQC-3 Water Factory Systems Reverse Osmosis Filter System
  17. SQC-4 Water Factory Systems Reverse Osmosis Filter System
  18. LP-40 CUNO Water Factory Commercial Reverse Osmosis Water Filtration System

    LP-40 CUNO Water Factory Commercial Reverse Osmosis Water Filtration System

    Produces up to 40 gallons of the highest quality drinking water daily Learn More
    $999.99 MSRP:  $1152.29

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