This is a Falcon Eye Replacement 500Ws Maximum Flashtube for the AB-400A(FT) Studio Flash.
Most current, professional flash heads and studio flash 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.
Reviews Falcon Eye RTC1142-500L Flash Tube for AB-400A(FT) Studio Flash