Vontron White Industrial Ro Membrane 4040

Two common types of household RO membranes are the Thin Film Composite (TFC or TFM) membrane and the Cellulose Triacetate (CTA) membrane. The main differences between the two types are filtration ability and chlorine tolerance.What is Reverse Osmosis? Reverse osmosis filters have a pore size around 0.0001 micron. After water passes through a reverse osmosis filter, it is essentially pure water.