[Features] Made of high quality aluminum, stronger than ordinary ones and more durable This air pressure regulator is compact, it also combines the functions of both air filter and regulator This air filter regulator can remove solid particles and condensates with compressed air, and prepare air properly for many types of compressed air tools and equipment With the adjustable pressure control knob, you can pull up and turn the black knob at the top of the regulator to set desired pressure. It will make your work more accurately Internal diaphragm design smooths and regulates the airflow, which also minimizes the negative effects of air pulsations and pressure imbalances created by piston-style compressors [product information] product name:pressure regulating filter color:silver Material:metal Packing list (you can get after purchasing one item): pressure regulating filter x1 Please understand: 1. Due to the long shipping time, the item may be damaged during the shipping process, if the item is damaged, please leave us a message through the official website immediately before posting comments, and I will solve the problem for you. 2. Due to manual measurement, the size may have an error of 1-3cm. 3. Colors may vary from monitor to monitor.