Ge Bulb 48 In. Lflt8 Med Bi Pin G13 32 W 2900 Lumens 3500 K 80 Cri Energy Star : No Frosted Neutral Lamp type: Linear Fluorescent, Straight Linear Bulb: T8 Base: Medium Bi-Pin (G13) Rated Life (NOM): 30000 hrs Initial Lumens (NOM): 2900