This is the pyrex replacement bubble glass tube for Freemax Twister Fireluke 2 tank 5ml tank, if you are looking for the glass tube for Freemax Twister Fireluke 2, this is the best one for you. 3pcs Freemax Twister Fireluke 2 tank 5ml glass tube is just $8.99, cheap price with free shipping. Check below to see more details.