Profoto UV-coated Flashtube for ComPact 300
This is a Profoto 300 Watt/Second Flashtube for the 300 Ws ComPact Monolight.
Most current, professional flash heads and monolights are equipped with user replaceable flashtubes that may simply be plugged into, and unplugged from their sockets. With proper handling, these flashtubes may last for tens of thousands of flashes under normal use.