Carlisle HL818500 FlexiGlow Aluminum Heat Lamp with Bulb, Single Arm, 24" H x 4" Base Dia., Silver Single-arm heat lamp with bulb helps keep food warmed to a safe temperature and is for use in catering applications, banquet halls, hotels, and rental companies 250-watt red bulb for generating heat Lamp shade with flared rim is made of spun aluminum for strength and resistance to corrosion Operates on 110-120V NSF Listed as NHL8185 and UL Recognized