Large selection of replacement water filters, reverse osmosis membranes, testing kits and water filter system repair parts. From one water filter or membrane to case quantity discounts.

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Water Factory Water Filters

We have been an Authorized Water Factory Systems dealer since 1989.  In 1999 we became an authorized online distributor.
We know Water Factory!  

Water Factory CUNO 3M SQC Replacement Filter Cartridges and RO Membranes for:

  • , , ,  AND Reverse Osmosis Systems
  • , ,  and 
  • , CM-1 CTO, CM-2 CTO, CM-2 Lead Plus and CMRO-3
  •  N4000-TFC, N4500-TFC, N5000-TFC and System 5000 RO Systems
  • Water Factory CUNO SQC30T-HF and SQC40T-HF Countertop Reverse Osmosis Systems
  • Water Factory CUNO LP-40 TFC 06-552 Low Pressure Commercial Reverse Osmosis System
  • Water Factory High Pressure Commercial RO Systems
* Water Factory ® is the registered trademark of 3M Filtration, the manufacturer of Water Factory ® brand water treatment equipment. The replacement filters and membranes listed above are manufactured by 3M Water Factory as so noted. Water Factory reverse osmosis drinking water systems were also manufactured and sold under the CUNO brand name. We also offer compatible replacement sediment water filters, replacement Carbon Block Water Filters, GAC Carbon Filters, Inline Post Filters, RO Reverse Osmosis Membranes, Pre Filters, faucets, water tanks, valves, pumps, UV Ultraviolet and water testing supplies from various other manufacturers for discontinued CUNO Water Factory drinking water systems.