The Hi-Tech Lamps part number CF18CLT/827E26 is a 18 watt (18W) cold cathode compact fluorescent lamp (CCFL) made by Ushio. This lamp has maximum overall length of 4.9 inches and a diameter of 2.8 inches, with an E26 screw base. This CCFL has average life is 25000 hours. It has a color temperature of 2700 Kelvin (2700K), a color rendering index (CRI) of 82 and provides approximately 1080 lumens (1080 lm). This lamp is also known as Ushio CF18/CLT/2700/E26 and 3000513.