This is a great option to reduce compressor noise and is a great solution. Perfect air compressor accessories, quite easy to install. Used widely in the air compressor arrival port, it can greatly reduce the noise by the air supply. OOTDTY features:1, used for air compressor inlet, can effectively block dust in the moisture of the air.2, able to reduce the compressor noise in operation.3, greatly help to improve the air compressor's efficiency and longevity.4, suitable for oil-free air compressor. Specifications:Used for: filtrationSuitable for: oil-free air compressorThread type: 3/4"Quantity: 1PCUnment:Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!