This YELLOW JACKET manifold gauge is a must-have for HVAC and refrigeration professionals. With two valves and a mechanical design, it allows for easy charging, testing, and pressure measuring of refrigerant R-410a. The gauge comes in a striking yellow color and includes a valve and gauge. It is suitable for use in both industrial and business settings and is compatible with vacuum units of PSI measurement. This reliable and versatile gauge is the perfect tool for any HVAC and refrigeration tasks.