Adjusts for various wall thicknesses from 4 to 6 in. Provides proper clearance for vent from combustibles and serves as a firestop.
Dimensions | : | 3-9/16 in ID x 3-1/16 L |
Material Gauge | : | 0.018 |
Material | : | Galvanized Steel |
Suitable for | : | Type B Gas Vent Pipe |