1/2" BSP：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 Easy to Use：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 Great Design：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 High Quality Materials: Made of high quality aluminum and plastic material, air filter regulator is stronger than ordinary ones and more sturdy Precision Pressure Gauge：This air pressure regulator is combines the functions of both air filter and regulator, and it has a precision pressure gauge with clear scale that allows you to observe the air pressure better, Weight: 0.05732018812 pounds, Manufacturer: Nikou