The ArcticPRO® ACX 350 (R134a) and ACX 450 (R1234yf) are professional air conditioning service units designed for high-efficiency maintenance. Both models feature a 7″ capacitive touchscreen, ONETOUCH lift door system, and a 20-liter reservoir capacity. They support automatic purging of non-condensable gases and include oil care containers for fresh oil, used oil, UV additive, and POE oil. The units offer Wi-Fi connectivity for automatic software and database updates, enhancing service efficiency. The ACX 350 can be easily converted to handle R1234yf or R513a refrigerants using conversion kits and specialized software. Optional features include a thermal printer, smartphone remote control, N-Leak test function, gas identifier, and VCI A/C diagnostics. The ACX 350 also supports a database for agricultural and construction machinery, making it a versatile choice for diverse service needs.