Feature:1. EASY TO READ: The air compressor regulator is equipped with a 0 to 180Psi dial gauge, and easy pressure modulation make adjusting the pressure value a breeze2. SIZE SPECIFICATION: The air compressor conditioner has four holes, three 1 or 4in holes and one gauge port 1 or 8in, suitable for many pipe port sizes, very versatile3. ADJUSTING KNOB: The air pressure regulator has a plastic adjusting knob for smooth tap flow settings, flexible and convenient, provide great convenience for your life4. ACCURATE MEASUREMENT: Air compressor pressure regulator provide accurate gas flow regulation and accurate gas measurement, useful and practical5. DURABLE MATERIAL: Air gauge regulator is made of excellent cast iron material, which is built to last, can withstand high pressure up to 180PSI, ensuring long lasting performanceSpecification:Item Type: Air Compressor RegulatorMaterial: Cast ironPressure Range: 0-180PSI.Package List:1 x Air Compressor Regulator1 x Pressure Gauge1 x Double Connector1 x European Style Male Connector1 x European Style Female Connector1 x Ball Valve1 x PTFE Tape1 x Plug1 x Hex Wrench