The Hi-Tech Lamps part number F25T8/741-U is a 25 watt (25W) fluorescent tube lamp made by Ushio. This lamp has maximum overall length of 915mm (36in). This lamp has an average lifetime of 24000 hours. It produces a color temperature of 4100 Kelvin (4100K) with a color rendering index (CRI) of 78 and an initial output of 2125 lumens. This lamp is also known as Ushio F25T8/741 and 3000092.