Exhaust and/or supply valves
BIR

Outlets entirely made of sheet steel coated in white epoxy paint. Consists of a blowing cone, a mobile central shutter enabling the air jet to be adjusted and its direction guided and a rubber gasket that ensures it is secured and sealed, which can resist a continuous temperature of -20°C to 120°C.
Used for injecting air in commercial accommodation and premises, ceiling-fitted.
Range of use from 50 to 150 Pa.