Sunlite 3 ft. T5 Linear Fluorescent Lamp is a high-performance lighting solution that boasts impressive efficiency and longevity. With a brightness of 1900 Lumens and using just 21-Watt of energy, this lamp is a cost-effective and environmentally friendly choice. At 3000K these warm white bulbs provide a comforting glow in bedrooms, living spaces or anywhere you want to set relaxed mood. With an average lifespan of 20, 000-hours, this lamp is a reliable and long-lasting lighting solution, reducing the need for frequent bulb replacements. Its versatile design makes outfite for a wide range of applications, from replacing a single bulb to outfit an entire building. This fluorescent lamp is easy to install and maintain, saving you time and hassle. Lamp Dimensions: 0.63 in. W x 0.63 in. H x 34 in. D.