The ESL13T/4 four-pack of Feit Electric 60 W Equivalent Mini Twist CFL Ecobulbs is non-dimmable and will replace 60 W incandescent bulbs. Each light produces a similar light output of 825 Lumens using just 13 W of electricity - up to 78% less energy than a standard incandescent light bulb. This 2700 K soft white compact fluorescent light is ideal for general-purpose applications. Feit Electric CFL bulbs have a relatively cool running performance, an average life of 10,000 hr/9.1 years and are RoHS/FCC compliant. Choose a dependable general-purpose bulb for residential or commercial applications.