COMPRESSED AIR MAINTENANCE UNIT - The compressed air water separator is an efficient maintenance unit with oil or water separator filter and German quick coupling for use on compressors, compressor tools. USAGE - 1 or 4 BSP Compressed Air Filter Water Separator Oil Separator for Compressor Water Separator Can filter small particles, keep the air clean, the circulating compressed air can remove dirt and condensation. HIGH QUALITY MATERIAL AND APPLICATION - The connector is made of high quality copper, sturdy and durable. 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 x 10 x 4 cm or 3.94 x 3.94 x 1.57 inches, internal thread: 1 or 4 inch. Advantages and Services - Compressed air filters extend the advantages of filters by differential pressure drainage, when the machine stops working, it starts to drain water. If you have any questions about our products, please feel free to contact us, we will reply you within 24 hours and give you a satisfactory solution. 1. 100 percent brand new and high quality. 2. The quick connector with oil or water separator filter is used for compressor tool. 3. The connector is made of high quality copper, it is sturdy and durable. The quick connector is a standard "German type" 1 or 4 inch internal thread. 4. The circulating compressed air can remove dirt and condensation. 5. Can filter small particles, keep the air clean. 6. Compressed air filters extend the benefits of the filter by means of differential pressure drainage. 7. Easy to install. Specification: Regulator Inlet and Outlet Port Size: 1 or 4" BSP Liquid Environment and Temperature: -5-60C Particle Filtration: 5m Max Press: 9.9Kgf or cm Material: Copper and Polycarbonate and Aluminum Alloy Color: As Pictures Shown Dimension: 10x10x4cm or 3.94''x 3.94''x 1.57''(Approx.) Internal Thread: 1 or 4 inch Package Includes: 1 x 1 or 4 Inch Compressed Air Maintenance Unit (with German Quick Coupler) Note: 1. Actual color may be slightly different from the image due to different monitor and lighting effects.