URSIL CIRCULAR DUCT SILENCERS Round galvanized duct silencers for installation in between ducts. The casing is made from a spiral duct outer layer and perforated sheet steel as inner wall. 50 mm mineral wool is used for sound … URSIL CIRCULAR DUCT SILENCERS
USSIL Square duct silencer Square galvanized duct silencer with baffles for installation in between ducts. The baffle consists of non-flammable mineral wood boards that absorb the acoustic energy. Its external surface is co… USSIL Square duct silencer
