... 2/250 T300 3.E14 lamp bulb max25W,300C product: steam cooker lightLampholder: Porcelain, 2/250, T300Lens:41mm,Hard glass, 300 CelsiusSleeve ... sealingoperating temperature:250C Electrical and gas ovens, microwave oven, dishwasher,steam oven lamp and similar places subject to medium operating temperatures ...