The PLT HBC432M23MV wide body fluorescent high bay fixture operates four F32T8 lamps at 120 to 277 volts. This fixture features air vents in the back of the fixture that provide cooler operation and longer lamp life. The easy-to-install full mirror reflector has wide-area lighting that puts the light where it needs to be with less fixtures. The housing is made from durable steel and comes in a baked white enamel finish. Ideal for general illumination, the PLT HBC432M23MV high bay fixture is typically used in medium and high ceiling applications, such as warehouses. F32T8 lamps not included.