Captive Aire Make Up Air Fan Blower Assembly Kit. Forward Curved, Double Inlet Pillow Block Blower with Motor Mounting Plate and All Neceesary Motor Mounting Hardware. (G15) • G15 Pillow Block Blower with Motor Mounting Plate and motor mounting hardware. Motor Plate Assembled onto blower.• Pillow Block ball bearings. Galvanized finish. 1″ x 27-1/8″ Shaft. 2000-7500 CFM. 1800 max. RPM.• Base feet can be mounted for various discharge positions• Used in heated and non-heated supply fans.