Sylvania Dulux D 18w Quad Tube Fluorescent Bulb – My Lamp Parts
Compare lumens to watts | Any-lamp
Lumen to Watt Comparison - Energy vs Brightness
GE Lighting 90814 Energy Smart Bright from the Start CFL 26-watt, 1250-lumen R40 Indoor Flood Light Bulb with Medium Base - Incandescent Bulbs - Amazon.com