Damp Location Cool White 2500 - 4999 Lumens LED HID Retrofit Lamps with a Mogul (E39) Base, 30W - 39W For Enclosed Fixtures where Color Temperature (Kelvin) is 4000-4999, Average Rated Life is 40,000 hrs and over, Bulb Power Type is Ballast Bypass, and Length is 6.9"