1/4 SAE Inch Nitrogen Pressure Tester HVAC Systems Cold Test Table Tool For R22 Features: brand new high quality Made of high-quality materials for durability Nitrogen Pressure Test Table Air Conditioning Refrigeration Test Bench Tool The spherical structure valve can replace the conventional head, which is simple and convenient. It is used for pressure testing of air conditioners, refrigerants, automobiles, and central air conditioners. Provides accurate nitrogen pressure testing. The large screen is easy to read. Suitable for R134a, R22, R407C, R410A. Product parameters: Material: Brass Connector size: 1/4 SAE inch Pressure range: -1~60bar Head Diameter: 80mm/3.15" color:yellow+black Package Included: 1 * pressure gauge Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight manual measurement deviation for the data.