Selkirk 4 in. Steel Round Storm Collar

The 4 in. Steel Round Storm Collar is made of durable, galvanized steel and designed to be applied above the flashing to provide a weatherproof seal of the pipe above the roofline. It is die-formed to assure uniform sizing for strong, easy-to-connect joints. A locktab feature offers the option of installation without sheet-metal screws. This Type B fitting is designed for use on approved gas appliances in residential, light commercial and industrial applications. It is UL listed for safety in accordance with NFPA standards.|Strong, durable galvanized steel|For use above the flashing to provide a weatherproof seal of the pipe above the roofline|Locktab feature can be used instead of sheet-metal screws for ease of installation|Uniform sizing for strong, easy-to-connect joints|Tested and listed per UL 441 for installation in single and multi-story buildings