The Westinghouse 0391500 375 Watt Incandescent R40 12-Volt Flood Light Bulb is manufactured with a thick filament and glass to withstand extra heat, it used for a standard household fixtures including bathroom heat lamp. However these bulbs are safe for use in both indoor and outdoor lighting projects and since it is dim capable it can be used in many applications.
MODEL # - 0391700
DESCRIPTION - A 250 watt medium base R40 floodlight engineered specially for standard household fixtures including bathroom heat lamps.
RECOMMENDED USES - perfect for use in brooder lamps