- Rough Opening: 11.25″ x 44.5″
- Latest in aerofoil technology design throws air to the center of the building
- Insulated doors minimize condensation
- Reinforced doors seal tightly with industrial weather-stripping
- Side seals assure proper airflow direction
- Injection molded framed components ease assembly
- Full length corrosion resistant hinge
- Constructed of tough polymer materials
- Pre-assembled inlet doors minimize installation time
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