It is used for pressure testing of air conditioners, refrig erants, automobiles, and central air conditioners. quality. Made of high-quality materials for durability The spherical structure valve can replace the conventional head, which is simple and convenient. Nitrogen Pressure Test Table Air Conditioning Refrigeration Test Bench Tool Provides accurate nitrogen pressure testing. The large screen is easy to read., Weight: 3.15701959184 pounds, Manufacturer: Yoeruers