✅Materials: This muffler filter is made of metal and its components are made of heavy-duty paper materials. Its sturdy design ensures durability, providing a reliable and long-lasting solution for your air compressor needs ✅Replacement Part Number: HLO18200AVAir Compressor Silencer Filte ✅Size: approx. 7x6.2cm(3x2.4inch)(LxD) ,Thread diameter: approx. 2cm(0.8inch) , Hole diameter: approx.0.7cm(0.3inch) ✅Compatible With: fit for Cam-pbell Hau-sfeld, Husky, Se-ars, Rid-gid and others. ✅Function:Compressor air filter can proficiently block dust and water particles, thereby improving the efficiency of air compressors；This not only ensures the lifespan of the equipment, but also helps to reduce noise, allowing your air compressor to operate at optimal performance