Z LT671A Bluetooth Digital Manifold Gauge, HVAC Meter with APP for R454B R1234YF, Single Gauge for AC Auto Repair, Pressure Vacuum Test, 43 Refrigerants
ZRB-3B is used to diagnose and repair the air conditioning system of vehicles. The air pressure manifold pressure gauge can be used for testing, evacuating and filling automobile or household air conditioning systems. Portable bag packaging, convenient storage, convenient transportation.