37717 is a Biax™ S/E 4-Pin dimmable CFL Lamp, external starter required, suitable for wall and ceiling luminaire, in hotel, motel, office building, apartment, building and public area, ideal for task light application also, emergency lighting, enclosed outdoor fixture. The Biax™ S/E lamp have 4-Pin cap without built-in capacitor and starter, suitable for operation with electronic control gear and can be used for dimming and emergency lighting application. Flat and compact. High luminous efficacy. Up to 73% energy-saving compared to incandescent lamp. 10 times the lamp life of incandescent lamp. Pleasant light, excellent colour rendering.