• The Mastercool Refrigerant Tank Heater Blanket speeds up recharging time
• Assures total discharge of refrigerant from 30 lb. and 50 lb. tanks
• Heats tanks to 125?F resulting in a maximum pressure of 185 psi for R134a and 170 psi for R12
• Quick working 300W heater element
• An excellent complement to all Mastercool Refrigerant Scales