| Blade Size | : | 5-11/64 in D |
| Diameter | : | 18 in |
| Material | : | Aluminum |
| Number of Blades | : | 4 |
| Pitch | : | 33 deg |
| Specifications | : | 0.2615 hp at 0 in SP, 0.3366 hp at 0.3 in SP, 3325 cfm at 0 in SP, 2441 cfm at 0.3 in SP CFM Rating, CW Rotation |
| Speed Rating | : | 1140 rpm |
Mars® Fan Blade, 18 in Diameter, 5-11/64 in D Blade, 4 Blades, 1140 rpm, 33 deg Pitch, Aluminum, Specifications: 0.2615 hp at 0 in SP, 0.3366 hp at 0.3 in SP, 3325 cfm at 0 in SP, 2441 cfm at 0.3 in SP CFM Rating, CW Rotation