This is a Dynalite UV Coated Flashtube for the discontinued 1015 and 2040 flash heads. Most current professional flash heads and monolights are equipped with user-replaceable flashtubes that may simply be plugged in to and unplugged from their sockets. With proper handling, these flashtubes
The single Flashtube for the Profoto Pro Twin Head.
Uncoated, Max 3000Ws