• Number of Blades: 8, Net Weight 96g, Double flat Drive, Height: 50.60mm(1 63/64‘’)
• Internal Hub Diameter (Non Double flat sides): 14.86mm(37/64")
• Outer Overall Impeller Diameter: 66.50mm(2 5/8")
• Internal Hub Diameter (Double flat sides): 11.40mm(29/64")
• Can't just rely on horsepower to judge, please check the dimension with your old one carefully, if you still can't confirm that, please consult us.