EiKO 05252 Model SP26/27-4P Compact Fluorescent Spiral Light Bulb, 26 Watts, GX24q-3 Base, T-4 Bulb - 2 Pack 26 Watts, GX24q-3 Base, T-4 Bulb 4.72"/120mm MOL, 2.44"/62mm MOD 2.5mg Mercury Content, Liquid HG Form 1800 Approx Initial Lumens 10,000 Rated Life