Industrial Fans Buffalo Forge BI 365 Buffalo Forge BI 365 Buffalo MW Radial Buffalo Buffalo 121 HVA Canadian Buffalo Axial Flow Fa Canadian Buffalo Axial Flow Fan Canadian Buffalo Axial Flow Fan-35 Canadian Buffalo Axial Flow Fan-35 Delhi 309 24-1/4″ Wide X 24-1/4″ Long x 21-1/2″ High Forward Curve Fan Manufacturer Unknown 14×14″ outlet 21-1/2″ O.D.O. Inlet Wheel 20″ Diameter X 9″ Wide Forward Curve Fan Manufacturer Unknown 14×14″ outlet 21-1/2″ O.D.O. Inlet Wheel 20″ Diameter X 9″ Wide Lau Forward Curve DWDI Fans Multi-Jet Air Makeup 24″ Blade Cabnit: 30-1/2″ high X 30-1/2″ wide X 35″ long 10″ x 22″ Top Louvre 12″ x 24″ od 22″id X 22″id end louvre 24″x24″OD Performance Curve Lau Forward Curve DWDI Fans Blue Fan 8″ OD Inlet 5-3/4 X 7-1/8″ Outlet 13″ Wheel Dia X 4-1/4″