Features Used for air compressor inlet, it can block the dust Can reduce compressor noise when working Contribute significantly to improving the efficiency and longevity of the air compressor Screw Thread Type: 3/8 inch fine thread Suitable for oil-free air compressors Description: This air compressor muffler is used on the air compressor inlet port. It can be used in noisy equipment such as blowers, air compressors, boilers, exhaust ports, generators, pumps and exhaust ports. Ideal accessory for air compressor, very easy to install. This is a great option for reducing the noise level of your compressor and a great replacement. Characteristics: 1, Used for the air compressor inlet, it can effectively block the dust in the humidity. 2, Can reduce the compressor noise when working. 3, Greatly help improve air compressor efficiency and longevity. 4, Suitable for oil-free air compressor. Specifications: Colour: Black Material: iron Screw Thread Type: 3/8 inch fine thread Weight: 100g (approx.) The package includes: 1 x Air Compressor Muffler Package List