The "M 7" Dry Herb VaporiserThe "M 7" is a battery free dry herb vaporiser constructed from medical grade stainless steel. It features a finless tip design with increased mass for heat retention and even extraction, designed to reduce heat transfer from tip to stem. Airflow control is managed via a new airport design and "Pivot" style rocker. The device includes an "adjust a bowl" feature, allowing the chamber size to be reduced by half. The Captive Cap is engineered to "click"