Designed specifically for HVAC/R services, final deep vacuum: single stage is 5 PA, whereas twin stage is 0.3 PA, comes with a compact style with atomic number 13 hosing and it is simple to hold. Implemented Thermal Shielder covering the motor to ensure the pump to run steadily. With coil gauge 1/4" SAE flare body of water connections yield flexibility of connections, enclosed air pump oil.