Four pin design. 14″ long. For use in the Air Gorilla II and SpeedLight Jr. Germicidal Light System. Same UV power, easier to install. Powerful magnets attach the bulb so it stays put. 1 year warranty
Note: These bulbs have been redesigned. They now have a wider mount and are held in place by magnets. Screws are no longer needed. Similar to the speed light bulbs.