ITEM NAME:Male Threaded Filter Silencer Muffler Filter For Air Compressor Intake OZ Features: 1. With strong noise reduction function 2. Easy to install 3. Durable in use 4. Used on the admitting port of the air compressor. Specifications:.Used on the admitting port of the air compressor. With strong noise reduction function. Size: As the picture shown. Color: As the picture shown.