| Model: | IL31A |
| Filter: | IL31A |
| Minimum Panel Size: | 12" x 12" |
| Maximum Panel Size: | 48" x 96" |
| Frame Depth: | 6" Deep |
| Frame Material: | .080" Thick Extruded Aluminum 6063-T6/T52 Alloy |
| Blade Material: | .080" Thick Extruded Aluminum 6063-T6/T52 Alloy |
| Blade Orientation: | Horizontal |
| Blade Type: | Drainable |
| Blade Angle: | Adjustable |
| Operation: | Manual or Motorized |
| Bearings: | Celcon |
| Linkage: | Concealed in Frame |
| Shafts: | .50" Diameter Aluminum "Pin-Lock" Rod |
| Blade Seals: | Extruded Silicone Rubber |
| Jamb Seals: | Polyurethane |
| Screen Options: | Bird Screen: ½" Flattened Aluminum.051" Thick
Variety of Bird and Insect Screen Options |
| Finish: | Mill |
| Free Area: | 54% (8.58 ft2 for 48" x 48") |
| Water Penetration: | 880 FPM |
| Pressure Drop: | .145 in. w.g. at 1000 fpm and 7550 scfm |
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