CUNO SQC 3 Three Stage RO System


This 3 stage RO system uses a sediment/carbon pre-filter to reduce chlorine, chlorine by-products and sediment before the membrane filters out impurities larger than .001 microns. The carbon block post filter treats for taste and odor. You can find and order all your filters at once in our replacement kits below.

*Systems SQC1HF and SQC2HF use the same filters below*



  • STAGE 1 – Sediment Pre-Filter (47-55706G2 or CSM5651) – Replace Every 12 Months
  • STAGE 2 – RO Membrane TFC 36 GPD (66-4706G2 or CSM5672 or 3MROM413) – Replace Every 24 Months
  • STAGE 3 – Carbon Block Post Filter (47-9298G2 or CSM5621) – Replace Every 12 Months

PDF iconCUNO-WaterFactory SQC3 Installation Manual