The Feit Electric 42-watt GX24q-4 Base CFL Light Bulb is a PL-shaped bulb for general-purpose and task lighting. It replaces traditional bulbs with affordable compact fluorescent technology that produces a super bright light output of 3000 lumens, using only 42 watts of electricity. Get Cool White (4100K) light, an ideal choice for offices, living rooms, and dining areas. Feit Electric CFL bulbs have a relatively cool running performance. They have an average life of 10,000 hours/9.1 years with an estimated annual energy cost of $5.06. Choose a dependable, general-purpose lighting bulb for residential or commercial applications.