Philips, 16.5W, 4', Bright White, T8 LED Lamp, Frosted, 1500 Lumens, 4000K, Non-Dimmable, G13 Base, 50,000 Hours Rated Life, 32W Equivalent, 55% Energy Savings, 48 MOL, Instantfit Requires No Wiring, Operates Using Any Compatible Instant Start Ballast, Mercury Free, Glass Free, Suitable For Use In Fixtures Where Ambient Temperature Is Between 22 Degrees Fahrenheit & 113 Degrees Fahrenheit, Fixtures Maintain Original UL & CSA Compliance, 4 Year Limited Warranty.