15 watt EarthBulb LED linear tube is available in 4000K with 300 degree beam angle. Great light output and perfect for replacement of T8 fluorescent tubes. This linear tube provides 2200 lumens and has a CRI of 82. This lamp is engineered for high lumen maintenance over its 50,000 hour rated life and exceeds the requirements for DLC. Simply “plug and play” on electronic fluorescent ballasts. This product is shatterproof coated to conform to the Food Safety standards. Now compatible with instant start and program start ballast. Also compatible with fluorescent emergency ballasts. Dimmable when used with fluorescent dimming ballasts.