- 12-3 louver is an aluminum louver vent with 4 vanes that adjust to allow air flow
- The sizes are an overall size of 12″ wide x 15.5″ high
- Cut-out required is 10.5″ wide x 10.25″ high
- Back side depth requires a min. of 5/8″ clearance to allow pivot arms to clear
- Fasten using rivets or screws
- 1″ flange for ease of fastening
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