E-Lume Fluorescent Lamp, High Output, Linear, F54T5/35K/8/HO/PS/G5/ELUME, 54 W, Fluorescent Lamp, Miniature Bi-Pin G5 Lamp Base, T5, 5000 lm Initial, 4450/4651 lm Mean, 30000 hr Average Life, 85 CRI, 3500 K Color, Program Start, White/Tri-Phosphor Coated, 5/8 in Dia x 46 in L, 83/93 lm/W Efficacy, 60 Hz, -10 deg C Minimum Starting, Standards/Approvals: TCLP Compliant