Panzer High Flow Valve CoreProduct Details The Panzer VLV High Flow Cores is a refined evolution of the conventional Presta design light, simple, and efficient. Its unique design doubles the airflow, making tubeless tire seating faster and easier without the need to remove the core. It also improves the accuracy of pressure readings, adapting seamlessly to any control system you use. IMPROVEMENTS IN RELATION TO A STANDARD CORE VALVE Up to 1. 8 times more flow than a standard