Fits 30 and 50 pound refrigerant tanks, R-12, R-22 and R-134A. Thermostat is set at 125F (55C). Thermal cut-off switch protects against overheating. 300 watts, 2.6 amps. Wrap around a 30 or 50 lb. tank Robinair's heater blanket speeds charging by maintaining a constant temperature, thus creating a positive pressure between the refrigerant tank and the A/C system.
