26439 Features: -Light bulb.-ED28 shape.-Base: Mogul Screw.-Mercury vapor.-20000 Life hours.-7800 Initial lumens.-Watt: 175.-8.25" MOL. Color/Finish: -Finish: Delux white.-Color rendering index (CRI): 50.-Color temperature: 3900 Kevil. Dimensions: -Overall dimensions: 8.06" H x 8.86" W x 8.06" D.