1、Mainly installed at the air inlet of the air compressor, which can effectively block dust and moisture in the air. 2、The muffler replacement can reduce the noise of the compressor in operation and make it run normally. 3、The silencer is a G1 opening thread specification, standard size, and it is airtight when installed on the compressor. 4、Air filter silencer is small in size and light in weight, easy to install and disassemble, and has a long service life. 5、The muffler with an outer diameter of 150 has a good filtering effect and is a good air compressor accessory Item Type: Air Compressor Silencer Filter Material: ABS Thread: G1 (Approx. 32.5mm / 1.3in) Purpose: Air compressor accessories 1 x Air Compressor Silencer Filter