This is a Profoto Replacement 1000Ws Maximum Flashtube for the D1 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.
XLITE 90cm DEEP UMBRELLA OCTA SOFTBOX + GRID PF FITS PROFOTO
Profoto Flashtube D1 1000 Quartz
Profoto Glass plate, Standard, D1 



