Package Content: You will receive 4 x compressor air filters with 3/8 thread diameter of 16mm. 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 lifeUse the quiet air compressor to improve air compressor efficiency 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 quiet filter is suitable for oil-free air compressor and can also be used in noisy devices such as fans, air compressors, boilers, heating systems. exhaust, generators, pumps and exhaust fittings. It can reduce noise during compressor operation. :This air compressor muffler is used in the air compressor inlet opening. 'air. It can be used on noisy devices such as fans, air compressors, boilers, outlets, generators, pumps and outlets. Ideal accessory for air compressor, very easy to install. This 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: approx. 425g. Package Contents: 4 x Silent Air Compressor Excellent sound-absorbing effect. 1. Can reduce compressor noise while working. 2. Used for air compressor inlet and can effectively lock dust in moisture. 3. Greatly help to improve the efficiency and service life of the air compressor. Tips: Due to the light and screen difference, the item's color may be slightly different from the photo. Since the measurements are taken by hand, the sizes indicated may vary by 0.1-0.3 g. Delivery quantity: 4 pieces Product color: black Product size: 16mmNote: Manual measurement, please allow 1 - 3cm error!!!