Refrigerant Tank Heater Blanket

Heater Blanket Speeds Charging By Maintaining A Constant Temperature, Thus Creating A Positive Pressure Between The Refrigerant Tank & The A/C System. Fits Most 30 & 50 Pound Refrigerant Tanks. Thermostat Is Set At 125 Deg F. (55 Deg C.). Thermal Cut-off Switch Protects Against Overheating. Note: Tank Not Included.