This is a 55 watt 2C T6 circline fluorescent bulb that replaces the Kichler Lighting 4029, but sells for a lower price. It is not made by Kichler. It has two concentric T6 tubes, each 3/4 inches in diameter. The lamp has a G10Q four pin connector with the pins facing perpendicular (90 degrees) from the lamp. It cannot be used in fixtures where the pins are at a 45 degree angle from the lamp. The outside diameter of the lamp is 8-3/8 (8.375) inches. The 2700 degree Kelvin color temperature produces warm white light. This lamp is also sold under Rexel part number 619286.
2700 degrees Kelvin warm white light
8.375 inch outside diameter
4 pin brass connector, pins face perpendicular (90 degrees) from the lamp