AMTE-M-LH-G38 Bronze 10bar Pneumatic Silencer, Threaded, G 3/8 Male. Metal AMTE-LH series pneumatic silencers from Festo for reducing noise levels of air exhausted from pneumatic systems. Manufactured with a brass threaded body and bronze silencer insert AMTE silencers reduce noise levels to below 88 dbA. These silencers can be used in lubricated pneumatic systems.