Never be caught with a tube down. Keep one of our glass shielded flashtubes handy. All you need is one unexpected fall or a clumsy assistant. The Godox Flash Tube for AD600B/ AD600BM Flash Heads are designed to deliver much greater than 100,000 pops, conditions of use, power cycling and exposure to vibration contribute to the real lifespan of a monolight flash tube. A typical flashtube in top shape can be in service for over 250,000 flashes. The Flash Tube for AD600 simply plugs in to the 3 pin socket and you are back in a flash.