Features 1、100% brand new and high quality 2、This muffler is made of high quality copper and iron material,durable to use 3、Effective to reduce noise for pneumatic equipments 4、This pneumatic muffler filter is G1/8 external thread design,and easy to install 5、Widely used for valves, cylinders, oil tanks, air tools and some other systems that need mufflers to clean the exhaust air and reduce the noise Specification Features: 100% brand new and high quality This muffler is made of high quality copper and iron material,durable to use. Effective to reduce noise for pneumatic equipments. This pneumatic muffler filter is G1/8 external thread design,and easy to install Widely used for valves, cylinders, oil tanks, air tools and some other systems that need mufflers to clean the exhaust air and reduce the noise. Specifications: Material: copper + iron Thread: G1/8" Working Pressure: 0-1.6 Mpa Length: 2.3cm / 0.91in Weight: 125g Package included: 25 x Muffler Package List