Specification Brand : CAI - REVCOR ExternallyAssignedProductIdentifier1 : 0696333273442 ExternallyAssignedProductIdentifier2 : 696333273442 ItemName : REVCOR Blower Whl, Dia 3 13/16 in, Width 2 1/2 in ItemPackageDimensions_Height : 2 inches ItemPackageDimensions_Length : 2 inches ItemPackageDimensions_Width : 2 inches ItemPackageQuantity : 1 ItemTypeKeyword : industrial-hvac-blowers Manufacturer : CAI - REVCOR ModelNumber : Q381-250S R PartNumber : Q381-250S R ProductDescription : REVCO Revolutionary Airflow Direct-Drive Blower Wheel produces high air volume with low vibration for diverse air moving applications. Individually cartoned for greater protection. Convex back plates allow motor location on either side of the blower housing. For ventilation, air conditioning, heating, and dehumidifying in industrial and commercial applications. Hub includes set screws.