Dayton Blade,Fan,20 In,1/2 HP 4C894

Replacement Propeller, Propeller Dia. (In.) 20 in, CFM @ 0.000-In. SP 3,920 cfm, CFM @ 0.300-In. SP 2,934 cfm, Min. HP 1/2 hp, Max. RPM 1,140 RPM, Pitch (Deg.) 29 Degrees , CW Rotation, Number of Blades 4, Propeller Material Aluminum, Galvalume Spiders, For Use With Air Conditioning Condensers, Heat Exchangers and Unit Heaters, Heat Pumps, Requires Interchangeable Hex Hub 2A563 or 2A564 or 2A565