Product Overview BEKO DRYPOINT M membrane dryer, part number 4007606 – type DM 20 G48CA-N. Membrane Drying Without Electricity DRYPOINT M PLUS combines an integrated nanofilter and the hollow-fibre membrane in one housing – filtration and drying in a single unit. It provides reliable drying with a low purge-air requirement, requires no electricity, and achieves air quality up to Class 1 according to ISO 8573-1 with appropriate pre-filtration. Typical Applications Point-of-use