Package Contents: You will receive 4 pieces of air compressor filters with a 3/8 thread diameter of 16 mm. Noise ReductionThe air compressor silencer is used on the inlet of the air compressor, which can effectively block dust in the humidity and reduce noise. It is an ideal choice for compressor accessories. Extends Service Life Use the air compressor silencer to improve the efficiency of the air compressor and longevity. Easy to Install The air compressor uses a standard 3/8" thread. You just need to screw it into the device. Installation is quick and easy. Wide Application: The silencer filter is suitable for an oil-free air compressor and can also be used in noisy devices such as fans, air compressors, boilers, exhaust systems, generators, pumps, and exhaust fittings. It can reduce noise during compressor operation. Description: This air compressor muffler is used in the inlet opening of the air compressor. It can be used on noisy devices such as fans, air compressors, boilers, outlet ports, generators, pumps, and outlet openings. Ideal accessory for air compressor, very easy to install. It is a great option to reduce the noise of your compressor and a great aftermarket replacement. Features: Color: Black. Material: Plastic Thread Type: 3/8" Weight: about 425g. Package Contents: 4 x Silent Air Compressor Excellent soundproofing effect. 1. Can reduce the noise of the compressor during work. 2. Used for the air compressor inlet and can effectively block dust in moisture. 3. Greatly helps to improve the efficiency and service life of the air compressor. Tips: Due to the difference between different monitors, the picture may not reflect the actual color of the item. color: black Product size: 16 mm Note: manual measurement, please allow 1-3cm error!!!Yeuri