Specialty A15 bulb. A15 bulb type. 40W. Medium base. Appliance lights from GE can be used in many household appliances such as microwaves, refrigerators and ovens. They're specially designed to withstand high or low temperatures, and feature a rugged filament that resists vibration. Be sure to check appliances for correct bulb wattage, voltage and bas type. Visit us on the internet - www.GELighting.com; 800-GE-Light. Made in Hungary.