Duct spigots, available from Bullock MFG , are spun metal round air conditioning dampers. The duct spigots incorporate an airflow control blades and manual quadrant control levers.

The specialist duct spigots are used Australia wide, specifically to control airflows in the ductwork of air conditioning systems.

Insulated flexible ductwork can effortlessly be attached to the duct spigots as required by Australian Standards.

With its unique patented extended quadrant design, the Bullock duct spigot supersedes older models that are unable to efficiently control airflows in section “J” compliant insulated ductwork.