... The Nickel silencerMaterial:BronzeItem Code:SEB-A-1-6,SEB-A-1-8,SEB-A-1-10,SEB-A-1-15,SEB-A-1-20,SEB-A ... be used on the equipments in order to reduce the noise and filtering the dusty or the air or oil ... large equipments, and be used for refuse the dusty,oil,air,and anyother materials which can ... the equipments at the same time, to reduce the noise is other function. SEB-A-1 Sintered and Plate The Nickel ...