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Big Smoky Vent (Model Nos. U-LP, U-LPA and U-LPAG) |
- For maximum venting requirements
- Meet codes with fewer, larger vents
- Stronger torsion spring to open vents
- Two or three springs per leaf depending on size
- 2" of high efficiency cover insulation delivers U- value of .09 so that condensation and heat loss or gain are reduced
- 1" thick exterior insulation around frame
- 5', 5-1/2' or 6' wide
- Lengths from 6' to 12'
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Big Smoky Vent
STC-45 Heat and Smoke 
