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Vulcan Vent, Block Hole 2-1/2" Flat Front Retrofit with 1/16" Mesh Face |
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- Unique 2 layer intumescent construction protects against both flames and embers
- Deluxe 1/16" Face Mesh for improved ember/insect resistance
- Front Flange for retrofit applications
- Opening size 2-1/2"
- NFVA = 2-1/2 sq in
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