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Metal-Fab
4MFS
Gas Vent Firestop
4" Diameter, Aluminum Alloy Flue, Galvanized Steel Casing, Type B Gas Vent Firestop
| UNSPSC code | 40141900 |
|---|---|
| Applicable Standard | UL 441, NFPA 54/211 |
| Type | Firestop |
Metal-Fab
Gas Vent Firestop
4" Diameter, Aluminum Alloy Flue, Galvanized Steel Casing, Type B Gas Vent Firestop
| UNSPSC code | 40141900 |
|---|---|
| Applicable Standard | UL 441, NFPA 54/211 |
| Type | Firestop |