Description
Provides a cover for rough wall openings and serves as a firestop.
Dimensions | : | 4-5/8 in ID x 8-3/4 in OD |
Installation Type | : | Wall |
Material Gauge | : | 0.018 |
Material | : | Galvanized Steel |
Suitable for | : | Type B Gas Vent |
Vent Hole Size | : | 4 in |