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, Manufacturer: Sugoyi