International Lamps FML Compact Fluorescent Lamp designed for desktop and floor lamp. CFL offers a light output of 1500 lumens and a colour accuracy of 80 CRI providing glare free light. 6500k colour temperature emits a daylight that reduces eye strain, headaches and fatigue. This CFL lamp is designed to fit a GX10Q-4 socket and offers a average lamp life of 10000 hours.