... ; 3) Freeze or condensation prevention in housings containing electronic equipment, for examples: traffic signal boxes, automatic teller machines, ... ) Drums and other vessels and viscosity control and asphalt storage9) Medical equipment such as blood analyzers, medical respirators, test tube ... flexible heaters, please contact our sales manager. belt type heaters drum heater 250*1740*1.5mm,230V,2000W, ...