Features： 1、Ideal Accessory: The muffler is an ideal accessory for air compressors and is very easy to install. 2、Application: The muffler is widely used in the air compressor inlet, which can greatly reduce the air inlet noise. 3、Wide Uses: Silencer filters can be used for noise equipment, such as blowers, air compressors, boilers, exhaust ports, generators, pumps and exhaust ports. 4、Improve Efficiency: The muffler can improve the efficiency of the air compressor and prolong the service life of the machine. 5、 Choice: This is an choice for reducing compressor noise and an alternative. Specification： Item Type: Air Compressor Silencer Filter Muffler Colour: Black External Thread Diameter: Approx. 20mm / 0.80in Silencer Diameter: Approx. 98mm / 3.86in Filter Element Diameter: Approx. 65mm / 2.56in, Inner Diameter: Approx. 36mm / 1.42in Package List： 1 x Air Compressor Muffler 1 x Filter