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 breeze 2. SIZE SPECIFICATION: The air compressor conditioner has four holes, three 1/4in holes and one gauge port 1/8in, suitable for many pipe port sizes, very versatile 3. ADJUSTING KNOB: The air pressure regulator has a plastic adjusting knob for smooth tap flow settings, flexible and convenient, provide great convenience for your life 4. ACCURATE MEASUREMENT: Air compressor pressure regulator provide accurate gas flow regulation and accurate gas measurement, useful and practical 5. 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 performance Specification: Item Type: Air Compressor Regulator Material: Cast iron Pressure Range: 0-180PSI. Package List: 1 x Air Compressor Regulator 1 x Pressure Gauge 1 x Double Connector 1 x European Style Male Connector 1 x European Style Female Connector1 x Ball Valve 1 x PTFE Tape 1 x Plug 1 x Hex Wrench