The Freemax Mesh Pro Coil is specially designed for the Freemax Mesh Pro Subohm Tank. It comes with four kinds of coils, Kanthal Single Mesh 0.15ohm coil, Kanthal Double Mesh 0.2ohm coil, Kanthal Triple Mesh 0.15ohm coil and the Kanthal Quad Mesh 0.15ohm coil...which will bring you a various vaping experience. 3pcs per pack.