1-1/2″ BSP Exhaust Muffler. Produced as a desiccant dryer exhaust muffler after researching the Allied Witan 44AW56 products made in the U.S., the MS Series of mufflers are suitable for many other applications with operational pressures up to 10 bar/150 psi/1000 kPa. Compressed cellulose fiber media is used in the construction that not only has good sound absorption and filtration performance but also high-temperature resistance. The MS range can reduce compressed air exhaust noise by up to 30 dB and withstand temperatures of up to 100°C. Also available with NPT threads upon request. Prices exclude GST.