Sunlite 05262 FCA27/65K (Like GE, 11307, FCA21/CD, 21W) Circular Kit (Circline Adapter) With Replaceable FC8T9DL 27 Watt Fluorescent Tube Daylight Light Bulb Equivalent To 75 Watt. (Like GE, 11307, FCA21/CD, 21W) Circline Fluorescent Fixture (Circline Adapter) With Replaceable FC8T9DL 27 Watt Daylight Bulb, 27 Watt replaces 75 Watt incandescent, Electromagnetic energy saving lamp, 1100 Lumens, 10,000 Hours. Applications: Table Lamps, Ceiling / Wall Fixtures, Floor Lamps. Circline fluorescent bulb replaces standard incandesent bulbs using 78% less energy. Screws easily into standard sockets. Provides pleasing Daylight color with excellent color rendering. Each bulb last 10,000 hours- 13 times longer than standard 75 watt incandescent bulb. Each reusable adapter last up to 30,000 hours. Great for Basements, Table/Floor Lamps, Ceiling/Wall Fixtures, Shops.