The FreeMax Mesh Pro Replacement Coils are made for the FreeMaxFireLuke Mesh Pro Sub-Ohm Tank.The 0.15 ohm single mesh coil is rated for 40 to 70W, the SS316L Single mesh 0.12 ohm coil head is rated at 400 to 550 degrees Fahrenheit, the Kanthal Double Mesh 0.2 ohm coil head is rated at 60 to 90W, and the Kanthal Triple Mesh 0.15ohm is rated at 80 to 110. Each replacement coil pack comes Three (3) coils.