Replacement Propeller, Propeller Dia. (In.) 14 in, Bore Dia. (In.) 1/2 in, CFM @ 0.000-In. SP 1,493 cfm, CFM @ 0.300-In. SP 852 cfm, Min. HP 1/8 hp, Max. RPM 1,725 RPM, Pitch (Deg.) 38 Degrees , CW Rotation, Number of Blades 3, Propeller Material Galvalume(R), Galvalume(R) Steel Spiders, For Use With Air Conditioning Condensers, Heat Exchangers and Unit Heaters, Heat Pumps, Requires -