Propeller Replacement Propeller Dia (In.) 10 in Bore Dia (In.) 1/4 in Number of Blades 5 Pitch (Deg.) 28 Degrees Blade Material Aluminum Rotation CW Facing Discharge Required Motor HP 1/50 Max RPM 1550 CFM @ 0.000-In. SP 700 Blade Width (In.) 1 1/2 in Remarks View Catalog Page For Better Selection Criteria 1 1/2 in