Features MAIN PURPOSE: Pneumatic silencer is mainly used for pneumatic air solenoid valve to reduce dynamic noise or purify exhaust. WIDE APPLICATION: Applicable to cylinder, solenoid valve, crankcase, gear box, oil tank, pneumatic tool, etc., which is simple and practical. STANDARD SIZE: The air silencer has standard G1in thread, easy to install and reduce leakage, maximum pressure is 1.0Mpa (145psi). DURABLE MATERIAL: These pneumatic mufflers are made of excellent materials, high pressure resistant, and not easy to wear or impact. COMPACT DESIGN: Including 5pcs exhaust valve silencers, compact size, suitable for place with limited space, easy to install and maintain. Specification: Item Type: Air Exhaust Muffler Model: AN600 10 Effective Sectional Area: 270mm² Sound Conductance: 54dm³/(s·bar)  Recommended Flow: Below 20m³/Min (ANR) Product Material: High Carbon Steel, Aluminum Alloy, PP Interface Thread: G1in Single Size: Approx. 50 x 127mm / 2 x 5in (error 5%) Maximum Pressure: 1.0Mpa (145psi) Recommended Pressure: 0-1.0Mpa (0-145psi) Operating Temperature: 5-60℃ Application: Cylinder, solenoid valve, crankcase, gear box, oil tank, pneumatic tool Package List: 5 x Mufflers Package List 5 x Mufflers