Airfoil Manufacturing’s slotted swirl diffuser type CDV24 have 24 adjustable vanes. The CDV24 swirl is a highly versatile diffuser that allows precise air control as a result of the easily adjustable vanes at the rear of the diffuser. The CDV24 is ideal for use in a variety of applications and is particularly suited to office blocks, hospitals, shopping centres, or any place where the even distribution of air is paramount.