Speedi-Products 4 in. Galvanized B-Vent Storm Collar used with B-Vent appliance for B-Vent Stack Roof Penetration. Can be used for Remodeling, Do it yourself and New Residential projects.
- 4 in. B-vent storm collar
- Use with b-vent vent stack
- Secure with approved fasteners
- Use approved sealant for additional weather protection
- Consult your local building codes for approved installation practices