U-bend tube, fluorescent bulb offers high performance & high efficiency with 3000 lumens. Rated at 4100 Kelvin, the T8-size, 32-watt bulb delivers a cool white light for approximately 20,000 hours & a color rendering index (CRI) of 82. It also meets RoHS standards & is Toxicity Characteristic Leaching Procedure (TCLP) compliant. Design also features a medium bi-pin base.