The Atmos Bullet Max Vaporizer works wonders with dry herbs. It features a ceramic heating chamber that delivers rich and flavorful vapor with each puff. The compact size of the unit makes it easy to transport and very discreet. Just place a pinch of your favorite herb into the chamber and press the button to start enjoying clouds of vapor. Since it utilizes 510 threading, it's compatible with most other chambers and batteries. Note: Features 510 threading.