The Hi-Tech Lamps part number F35T5/830-U is a 35 watt (35W) fluorescent tube lamp made by Ushio. This lamp has maximum overall length of 1463mm (57.6in). This lamp has an average lifetime of 20000 hours. It produces a color temperature of 3000 Kelvin (3000K) with a color rendering index (CRI) of 85 and an initial output of 3650 lumens. This lamp is also known as Ushio F35T5/830 and 3000386.