DIRECT-ITUniversal Airmover AdapterThe Direct-It is newly designed to adapt axial fans, air scrubbers, etc. Adapts to equipment with 12, 14, 16, 18 inch duct rings for either positive or negative drying!Package includes:Hoses and adapters to fit holes as small as "150 of Hose line17 - " Wall Penetrators17 - Hose CuffsXactimate Code: WTR WALLDACCESSORY:AC73 - DRYER VORTEX AXIAL FAN