Ge, led13et8/u6/840/cons, 13w, cool white light color, white bulb color, t8 bulb shape, led u-bend tube, equivalent to a 32w fluorescent, bi-pin base, acrylic, non-dimmable, 1,900 lumens, 4,000 kelvin color temperature, cri=80, 45 year, 50,000 hours rated life, mol=22.5", california title 20, sleeved. For use with approved electronic ballasts.