Convert your existing fluorescent fixture to LED technology with the Feit Electric T48/841/LED 4 ft T8/T12 LED plug-and-play lamps. This 4100K cool white light is non-dimmable and has a 180 deg rotating endcap for adjusting light direction. It produces a similar fluorescent lamp output (1700 Lumens), uses 14 W of electricity and up to 56% less energy than a standard fluorescent lamp. Get instant on to full brightness even in sub-zero temperatures with relatively cool running performance. Feit Electric shatterproof T8/T12 lamps have an average life of 50,000 hrs/45.7 years are RoHS compliant and are 100% mercury-free. Choose a dependable flicker-free lighting for residential or commercial applications. No replacement of the ballast or installation of LED driver or removal of old ballast required.