• Fits 30 and 50 pound refrigerant tanks, R-12, R-22 and R-134A
• Thermostat is set at 125DEG F (55DEG C)
• 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