Fan Blade, Propeller Dia. (In.) 22 in, CFM @ 0.000-In. SP 4,840 cfm, CFM @ 0.300-In. SP 3,605 cfm, Min. HP 1/2 hp, Max. RPM 1,140 RPM, Pitch (Deg.) 27 Degrees , CW Rotation, Number of Blades 4, Propeller Material Aluminum, Galvalume(R) Steel Spiders,...