DC THERMAL SA48-2500 48 VOLT 1200 WATT 20400 BTU BRUSHLESS CAB HEATER 10,000 HOUR DC THERMAL RUCAR VACUUM SEALED ELEMENTS BRUSHLESS 50,000 HOUR BALL BEARING FAN RATED AT 25 AMPS CAN BE MOUNTED HORIZONTALLY OR VERTICALLY DESIGNED SPECIFICALLY FOR USE IN THE HARSHEST OUTDOOR ENVIRONMENTS