GE 2 pack, led15et8gu8402pk, 4', 15w, white, t8 glass led light bulb, equivalent to 32w t8 or a 40w t12 linear fluorescent, bi-pin base, dimmable, 1,500 lumens if used for a t8, 4,000 kelvin color temperature, 36,000 hours rated life, mol = 48", for use with existing electronic t8 ballasts, existing t12 electronic & electro-magnetic ballasts, rated for damp locations, sleeved, dcl rated.