Suitable for screw compressors and piston compressors. The product specifications are 3/4 inch (25mm) with an outer diameter of 130mm and a height of 80mm. The product is adopt good quality materials, sturdy, and trustworthy, useful and practical. Air compressor silencer possess standard production, easy to disassemble, very convenient. Product include a total of 2pcs air compressor silencer, which can completely meet your daily use needs and replacement., Manufacturer: eMagTech