Brand new in unopened package, 4-pin GX10Q-4. Replacement lamp for all fixtures and adapters using a 27 watt linear fluorescent tubes. NON-DIMMABLE.
Dimensions: width (in) 3.3 length (in) 5.9
Description per Feit website: "The Feit Electric 27-Watt Compact Fluorescent Light Bulb is a plug-in CFL bulb with a GX10Q-4 base. With a brightness of 1450 lumens and a daylight color, this fluorescent bulb is used in recessed fixtures and for general purposes. Its 10,000 life hours and only 27 watts of energy use make this bulb a cost-saving and energy-efficient choice.

Compact design maximizes illumination in smaller fixtures
Energy efficient upgrade to fluorescent PL lamps
Ideal for work spaces and task lighting
Long life reduces the hassle of replacing bulbs so often"