Sunlite’s T9 Round Fluorescent Circline Lamp is an energy-efficient, cost-effective lighting solution with a long lifespan of 10,000 hours. Consuming only 40 watts of power, this 2600-lumen lamp reduces your carbon footprint and electricity bill while providing bright and consistent illumination. The G10Q 4-pin base allows for easy installation, and the creates a comforting ambiance in living spaces. RoHS compliant and environmentally friendly, perfect for both home and workspace use, measuring 16" D x 1.13" H x 16" W.