The Hi-Tech Lamps part number F17T8/741-U is a 17 watt (17W) fluorescent tube lamp made by Ushio. This lamp has maximum overall length of 610mm (24in). 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 1325 lumens. This lamp is also known as Ushio F17T8/741 and 3000084.