Features GOOD CORROSION RESISTANCE: Silencer is made of good quality brass material, with excellent thermal conductivity, ductility and corrosion resistance. IMPACT RESISTANCE: Metal silencer can be used in high temperature and high pressure environment and is impact resistant, very stable and durable. EASY TO INSTALL: Muffler possess small and simple structure, easy to install and maintain, especially suitable for places with limited space, possess high noise reduction effect. EXCELLENT PERFORMANCE: Pneumatic muffler is made with fine workmanship, possess compact appearance and stable performance, can make sure durability and stability. WIDELY USED: Silencer is widely used in cylinder, solenoid valve, crankcase, gear box, fuel tank, pneumatic tools. Specification: Item Type: Brass Pneumatic Exhaust Muffler Material: Brass Inner Ring Diameter: Approx. 10mm / 0.39in Outer Ring Diameter: Approx. 21.3mm / 0.84in Tail Diameter: Approx. 19.3mm / 0.76in Maximum Pressure Resistance: 1.0Mpa Operating Temperature Range: 5~60℃ Muffler: 30DB Use: Widely used in cylinder, solenoid valve, crankcase, gear box, fuel tank, pneumatic tools Package List:5 x Brass Pneumatic Exhaust Muffler Package List 5 x Brass Pneumatic Exhaust Muffler