Philips 140798 High Intensity Discharge Mercury Vapor 175-Watt ED28 Mogul Base Light bulb,Philips Lighting,140798" /> Philips 175-Watt HID Mercury Vapor light bulbs offer premium light quality for dusk-to-dawn and outdoor security lighting Ideal for use in landscape lighting, roadway, parking lots, flood light and security fixtures Mogul Base ED28 Shape H39KC-175/DX for use with ANSI H39 ballast