Description COMPRESSED AIR MAINTENANCE UNIT - The compressed air water separator is an efficient maintenance unit with oil/water separator filter and German quick coupling for use on compressors, compressor tools. USAGE - 1/4 BSP Compressed Air Filter Water Separator Oil Separator for Compressor Water Separator Can filter small particles, keep the air clean, circulating compressed air can remove dirt and condensation. HIGH QUALITY MATERIAL AND APPLICATION - The connector is made of high quality copper, sturdy and durable. The compressed air maintenance unit is suitable for various occasions, to connect the compressor or the compressed air line, easy to install. SPECIFICATIONS - Compressor water separator size is 10*10*4cm/3.94*3.94*1.57in, internal thread: 1/4in. Advantages Services - Compressed air filters extend the advantages of filters by differential pressure drainage, when the machine stops working, it starts to drain water.