ALZO 85W CFL Lampadina Fotografica 5500K, 4250 Lumen, 120V, Confezione da 4

This is an energy-saving bulb with about 6,000 hours bulb life. ALZO CFL bulb life is based on the bulb in an open-air upright orientation. When ALZO bulbs are installed in fixtures that lack adequate ventilation, the life of the bulb will be reduced.

eBay