This pneumatic muffler is made of copper materials, which can serve you for a lasting time without being easily damaged. The muffleris easy to install and has the result of reducing noise, a very safe and practical accessory forpneumatic tool. Features -Color:Golden-Material:Copper- Size: 3.00X1.50X1.50cm/1.18X0.59X0.59in - The compact and practical muffler is easy to install and maintain, a good solenoid valved muffler. -Easy installation and nose reduction result, quick and stable connection, muffler meet your needs well. - Silencer prevents sound transmission and allows airflow through, can help you reduce noise well. -Muffler is used to reduce dynamic noise of the pneumatic components or device exhaust.- Solenoid valved muffler can play a good protective role, and extend the service life of the solenoid valved. - Effectively reducing noise level. Suitable for pneumatic components, widely used in industrial fields.Pcking list: 8 x Exhaust Muffler Silencers