ThermaHeat 13.5V 18"L x 12"W 40 Gal Holding Tank Heater 210SLT1218RTBX 19-1597

4.8 Amp holding tank heater is used to prevent freeze-ups in holding tanks, pipes and steps. Thermostatic control turns on at 45 degree fahrenheit and off at 67 degree fahrenheit. It measures 12 inch width x 18 inch length with 36 inch lead wire. It is a peel and stick mount.