V-RING: The piston seal uses a V-ring, which has good sealing, wear resistance and stability. The good sealing means that the product has good corrosion resistance, pressure resistance and rust resistance. PISTON STRUCTURE: The air compressor parts use a piston structure with 30% flow. Connected with screw threads, no tools needed, quick and easy to assemble. OVERFLOW BODY JOINT: The pressure switch valve control block uses an overflow body structure, which is quick and intuitive for reducing pressure. Thanks to the removable design, internal cleaning is very easy and more durable. REPEATED USE: The structure of the original gas indicator and the original gas relief valve can be installed and can be used many times. Its use helps to reduce pressure quickly, save energy and safety. PRECISION DESIGN: This air compressor accessory is robust and durable and can be used for a long time. It can be a good replacement for old or damaged valves, which is the best choice for air compressor accessories. Suitable for: Piston air compressor Type: With bracket for small air compressor Quantity: 1 pc Package includes: 1 x regulator valve