Optimized for wider applications, this manifold gauge features 4 valves and is suitable for 4 types of refrigerants: R-22, R-404A, R-134a, and R-410A. Incorporating the latest ergonomic research and advanced design, its easy to handle and delivers high precision with Class 1.0 accuracy. The integrated, impact-resistant aluminum body design provides outstanding protection. With 4 ball valve handles and easy folding hook design, the gauge is easy to carry.