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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
    $27.99 Retail Price:  $34.49
  2. 47-55704G2 Water Factory Systems Replacement Filter Cartridge

    47-55704G2 Water Factory Systems Replacement Filter Cartridge

    Fits 3M Cuno Water Factory SQC reverse osmosis systems Learn More
    $25.99 Retail Price:  $33.34
  3. 47-55706G2 Water Factory Systems Whole House Replacement Filter Cartridge

    47-55706G2 Water Factory Systems Whole House Replacement Filter Cartridge

    Fits 3M Cuno Water Factory SQC3 and SQC3OT reverse osmosis systems Learn More
    $27.99 Retail Price:  $36.79
  4. 47-55707G2 Water Factory Systems Replacement Filter Cartridge

    47-55707G2 Water Factory Systems Replacement Filter Cartridge

    Fits 3M Cuno Water Factory FaucetMATE FM-2 Lead Plus and FM-350 DWS systems Learn More
    $34.99 Retail Price:  $74.28
  5. 47-55708G2 Water Factory Systems Replacement Filter Cartridge

    47-55708G2 Water Factory Systems Replacement Filter Cartridge

    Fits 3M Cuno Water Factory FaucetMATE FM-2-CTO two-stage system Learn More
    $45.99 Retail Price:  $52.89
  6. 47-55710G2 Water Factory Systems Replacement Postfilter Cartridge

    47-9298G2 Water Factory Systems Replacement Postfilter Cartridge

    Fits 3M Cuno Water Factory SQC reverse osmosis systems Learn More
    $48.99 Retail Price:  $51.34
  7. 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
    $41.99 Retail Price:  $52.89
  8. 47-55712G2 Water Factory Systems Replacement Filter Cartridge

    47-55712G2 Water Factory Systems Replacement Filter Cartridge

    Fits 3M Cuno Water Factory FaucetMATE FM-2-CTO two-stage system Learn More
    $36.99 Retail Price:  $51.28
  9. 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 Retail Price:  $77.61
  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 Retail Price:  $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 Retail Price:  $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
    $339.99 Retail Price:  $607.19
  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
    $145.99 Retail Price:  $166.74
  14. 66-4706G2 Water Factory Systems TFC Reverse Osmosis Membrane

    66-8706G2 Water Factory Systems TFC Reverse Osmosis Membrane

    Fits 3M Cuno Water Factory SQC reverse osmosis systems Learn More
    $154.99 Retail Price:  $163.29
  15. 66-4709G2 Water Factory Systems Reverse Osmosis Membrane

    66-4709G2 Water Factory Systems Reverse Osmosis Membrane

    Fits 3M Cuno Water Factory SQC PRO C-80 reverse osmosis systems only Learn More
    $177.99 Retail Price:  $189.74
  16. FM-350-DWS Water Factory Systems FaucetMATE Faucet Filter System
  17. SQC-3 Water Factory Systems Reverse Osmosis Filter System
  18. SQC-4 Water Factory Systems Reverse Osmosis Filter System
  19. 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 Retail Price:  $1152.29
  20. 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 Retail Price:  $232.29

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