Features EASY TO INSTALL AND MAINTAIN: Small and simple structure, easy to install and maintain, especially suitable for places with limited space, possess high noise reduction effect IMPACT RESISTANT: Metal silencer can be used in high temperature and high pressure environment and is impact resistant EXCELLENT NOISE REDUCTION: Pneumatic muffler provide excellent noise reduction and filtering effect under dry conditions GOOD CORROSION RESISTANCE: Made of excellent brass material, with excellent thermal conductivity, ductility and corrosion resistance 1/2IN MALE THREAD: Adopt 30dB silencer, maximum working pressure for 1.0Mpa, thread size is 1/2in male thread, very practical Specification: Item Type: Pneumatic Muffler Model: PSC-04 Material: Brass Silencer: 30DB Maximum Working Pressure: 1.0Mpa Operating Temperature Range: 5~60℃ Thread Size: 1/2in male thread Package List: 2 x Pneumatic Muffler Note: Please match the appropriate size before use. Package List 2 x Pneumatic Muffler