Features Noise Filtering: Under stable working, the pneumatic exhaust muffler ensures great noise filtering and reduction for the machine exhaust. The PP Material: Adopting premium PP material with a simple but sturdy structure, the pipe silencer can withstand 1.32Mpa high pressure. Wide in Fitting: Widely applied on cylinder, solenoid valve, crankcase, gear box, oil tank and many other pneumatic tools, very practical. With Ten Pieces: Including 10pcs pneumatic muffler, sufficient in quantity, so the old parts can be easily used and replaced at any time. Easy to Install: Comes with a compact size and a light weight as well, the convenient installation can be quickly completed within minutes. Specification: Item Type: Pneumatic Muffler Model: AN20 02 Effective Sectional Area: 35mm² Sound Velocity Conductance: 7dm³/(s·bar) Recommended Flow: Below 3.0m³/Min (ANR) Product Material: PP Interface Thread: G1/4in Single Muffler Diameter: Approx. 16.5mm / 0.65in, error 5%. Single Muffler Size: Approx. 45mm / 1.77in, error 5%. Maximum Pressure: 1.32Mpa, that is, 191psi. Recommended Pressure: 0~1.0Mpa, that is, 0~145psi. Operating Temperature: 0~90℃, that is, 32~194℉. Application: Widely applied to cylinder, cylinder, solenoid valve, crankcase, gearbox, oil tank, pneumatic tool.  Package List:10 x Pneumatic Muffler Package List 10 x Pneumatic Muffler