It is pretty common to break the vape glass on the tank of a vape mod devices, Hi vape shops near you or online store has made sure you have range of vape replacement glass that goes in your specific vape tank. You have to be extra careful while you chose your replacement glass as it can easily confuse you with the model you are looking for, For example, TFV9, TFV12, TFV10 replacement glass may look identically similar but it is different in sizes.