Round silencer with 50 mm sound absorption.
NRF-T-silencer’s sound absorption material is mineral wool. The silencer consists of a perforated inner tube and an outer shell made of galvanized sheet steel. For connection to the ventilation ductwork, the silencer is equipped with duct connections with rubber gaskets. Between the inner tube and the insulation, there is fabric to prevent wool fibres getting into the ventilation system.
NRF-T silencer meets the requirements of air tightness class C.
