4'' inch fan impeller,fridge propeller fan with CCW,refrigerator fan blade 1. ABS RoHS approved. 2. Freezer fan ... propeller 4'' inch fan impeller,fridge propeller fan with CCW,refrigerator fan blade Outer Diameter: 100mmHeight:24mmShaft hole diameter:3 ... any time. 4'' inch fan impeller,fridge propeller fan with CCW,refrigerator fan blade