COMPRESSED AIR MAINTENANCE UNIT - Compressed Air Water Separator is an efficient maintenance unit with oil/water separator filter and German quick connect for use on compressors, compressor tools. USE - 1/4 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 compressed air line, easy to install. SPECIFICATIONS - The size of the compressor water separator is 10 * 10 * 4 cm / 3 .94 * 3.94 * 1.57 inch, internal thread: 1/4 inch. Advantages & Services - Compressed air filters extend the benefits of filters by differential pressure drainage, when the machine stops working, it starts to drain water. Note: The data are all measured manually, Please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.