EiKO FML27/65 QuadTube Compact Fluorescent Light Bulb (1-Pack), 27 Watts, GX10q-4 Base, T-4 Bulb, 5.7"/145mm MOL, 2.5mg Mercury Content, 1400 Approx Initial Lumens, 10000 Rated Life 27 Watts, GX10q-4 Base, T-4 Bulb 5.7"/145mm MOL, 2.5mg Mercury Content Liquid HG Form, CT deg K 6500 1400 Approx Initial Lumens, 1260 Approx Mean Lumens CRI 82, 10000 Rated Life