• 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
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