Shop for Lighting & Fans at The Home Depot. High bay-4 lamp T8 fluorescent fixture is the superior light option to illuminate manufacturing or distribution facilities, gymnasiums, schools, stores, warehouses or any high ceiling industrial building. Energy cost savings of up to 50% as compared to Metal-Halide or High Pressure Sodium high bays. Aluminum 86% reflector, HPF electronic ballast included. Bulbs not included.