Daylight 22w/T5 Circlular Tube Replacment22w energy saving daylight circular tube/T5. The unique Daylight™ lighting technology not only reduces eye-strain but also helps reduce greenhouse gases by consuming 75% less energy. Simply put, Daylight™ is better for the environment and for your eyes! Tungsten equiv: 110W, Kelvin: 6500K, Lumens: 1350