CAS139 – 6 Hole – Hurricane Forward Flow Duct Ball.

6 Hole – Hurricane Forward Flow Duct Ball. The Hurricane Forward Flow Duct Ball provides a gentle cleaning technique can that be used on many types of duct work and in many situations. A Forward Flow Duct Ball is ideal for air sweep after any duct brushing procedure.  Use a Hurricane Line (CAS148/CAS149) or compatible to interface this item with 1/4″ standard interchange airline fittings.