Highland Reeds Drone Valves Highland Reeds Drone Valves control airflow to the drones, for cleaner strike-ins and cut-offs. The valve tension is adjusted with a screw, so you can fine-tune the setting for your pressure. This design also prevents over-blowing by less steady blowers, by setting the maximum degree to which the valve will open. The set includes 3 drone valves, which you can easily install in the base of each drone stock, after wrapping them with hemp. Made in Scotland. Features of Highland Reeds Drone Valves: Control airflow for crisper strike-ins cut-offs Easy to install Seat securely in stocks Prevent over-blowing Regulate unsteady blowing Adjustments can be made without removing valves Note: A zippered pipe bag is required for installation The Highland Reeds Drone Valves are included with the Highland Reeds Drone Reed Moisture Control System, if you're looking for greater moisture control too.
