Three-hole air compressor: With a pressure regulator, you can adjust the air pressure as needed. Air compressor control valves. Three-hole air compressor regulator: Easy to disassemble and install; data can be read and set using the barometer. Air compressor valves. Air compressor accessory: Clean the port and connector before installation to prevent dust from entering the air path. Air compressor pressure valves. Three-hole air compressor valves: With the corresponding barometer, you will read clearly and accurately, and you can act according to your readings. Air compressor pressure control valves. Air compressor control: Prevents air pressure from being too high or too low to maintain stable operation.