The Thermal Hyper CapThe Thermal Hyper Cap (T. H. C.) is DynaVap's solution to Ball Vape technology! This precision machined titanium Cap features a Core that contains 2mm Green Sapphire Balls that work to retain ample heat for a convection experience. While standard DynaVap conduction heating relies on direct contact between the heat source and the material, convection heating uses hot air from the ball media flowing over the material to vaporize it. This method ensures