Metal-Fab® Gas Vent Increaser, 4 x 5 in, Aluminum Alloy/Galvanized Steel, Finish: Galvanized, 2.68 in H
| Dimensions | : | 2.68 in H |
| Finish | : | Galvanized |
| Material | : | Aluminum Alloy/Galvanized Steel |
| Size | : | 4 x 5 in |
- 1 in minimum clearance to combustibles
- Hemmed flue and casing eliminate sharp edges
- SureLock locking system creates secure connections without tools
- 1/4 in insulating air space
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