Home Ventilation Fans & Blowers 12” to 48” Direct Drive Tube Axial Duct Fan – 3450 RPM (3/4 HP Frame/Prop) Cincinnati Fan 12” to 48” Direct Drive Tube Axial Duct Fan – 3450 RPM (3/4 HP Frame/Prop) $913.29 12” to 48” Direct Drive Tube Axial Duct Fan – 3450 RPM (3/4 HP Frame/Prop) quantity Add to cart