9 watt EarthBulb direct wire LED linear T8 eliminates the ballast for maximum energy savings. Available in 4000K with 300 degree beam angle. Great light output and perfect for replacement of T8 fluorescent tubes. This linear tube provides 1150 lumens and has a CRI of 82. This lamp is engineered for high lumen maintenance over its 50,000 hour rated. To install, simply remove existing fluorescent ballast and direct wire the line voltage to one end of the lamp.