Upgrade your old fluorescent fixtures to energy-saving LED technology with the Feit Electric 8 in Dia LED circular lamp with a 4-pin base. This fluorescent replacement produces 1400 Lumens of 4100 K cool white using only 15 W saving up to 32% in energy costs over an equivalent 22 W fluorescent. Our LED circline fluorescent replacement series offers relatively cool running performance with an average life of 25,000 hrs/22.8 years.