400 Watt Metal Halide Pulse Start Open Rated Base Up Lamp Mogul EX39 M135/O BT28 Full Case

Full Case of 12 Bulbs $23.75 Each

This lamp is rated for OPEN RATED fixtures

If the lamp will be totally enclosed within a UL listed fixture, then an enclosed rated lamp is acceptable. If the lamp will be exposed during usage, then this open rated lamp must be used. Open rated lamps can be used in open or enclosed fixtures and are safer lamps. MP lamps are protected and self-extinguishing in case of failure.