The Elinchrom Flashtube 3000W/S SE is a newer model of flashtubes that are easy-to-replace and long-lasting used with the Elinchrom flash heads.In the previous models of the flash head, you have to remove many screws in the head and socket base, but in this newer version you just have to plug the flash tube in the socketUnder normal conditions, these AC flash head flashtubes can produce up to ten thousand flashes when handled properly