Infra Red Heat Lamp 500 watt clear length 220 mm. Quick fit special low pressure lamps designed specifically for catering applications. This range of lamps convert more of the energy used into the most efficient parts of the infrared spectrum for food warming. They also have an average life of 5,000 hours in comparison to 2,000 hrs normally provided on normal halogen bulbs. These lamps also boast a reduced internal gas pressure below 1 bar when operating at full power, making them safe as they will not explode or shatter on failure.