Freeze Plug Heater (30403) by Kat's Heaters®. Removable Electrical Plug End, 38mm / 1-1/2in. Diameter, 1000 Watts. The frost plug, lower radiator hose heater, or
circulating tank heater are designed to keep the coolant in your engine warm. These products help stimulate warm temperatures, give quicker starts and protect your engine
from damage that can occur during cold weather starts.
