Diodesy- Pack of 40 F21T5/850 Straight T5 Fluorescent Tube Light Bulb, ROHS Compliant, 21 Watts, 5000K Bright White, Mini Bi-Pin Base, High Performance Straight Tube Lamp

BRIGHT AND EFFICIENT – With 1900 lumens of brightness, this fluorescent lamp provides plenty of light using just 21 watts of energy, making it a cost-effective and environmentally friendly choice. LONG LASTING – With an average lamp life of 20,000 hours, this lamp offers reliable and long-lasting performance, reducing the need for frequent bulb replacements. BRIGHT WHITE– At 5000K these bright white bulbs provide natural lighting in bedrooms, living spaces or anywhere you want to set relaxed mood. VERSATILE – Whether you need to replace a single bulb or outfit an entire building, this lamp is a versatile and reliable choice suitable for a wide range of applications. EASY TO INSTALL – This fluorescent lamp is easy to install and maintain, saving you time and hassle. RoHS Compliant. Lamp Dimensions: 0.63” W x 0.63” H x 34” D.