Design: supply air valve, color: white, for nominal diameter: 100mm, suitable for: wall installation, air volume adjustable: yes, max. air volume: 40m/h, material: steel, metal supply air valve with pipe connection socket for wall or ceiling installation. Can be easily inserted into a pipe socket, air volume adjustable. Recommended air volume: up to 50 m3/h, sound pressure level dB (A) less than 30, connection diameter 100 mm
