Highlights:
- Material : Galvanized Steel
- Dimensions : 3-9/16 in ID x 3-1/16 L
- Material Gauge : 0.018
- Suitable for : Type B Gas Vent Pipe
- Use to install pipe through an interior wall and provide proper clearance from combustibles
- The wall thimble adjusts for various wall thicknesses from 4 to 6 in
- Round shape




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