Selkirk 4 in. Steel Round Gas Vent Top

The 4 in. Steel Round Gas Vent Top is a Type B, galvanized-steel fitting that helps prevent rain and debris from entering the vent. It is not for use with wood-burning applications. The end is die-formed for uniform sizing and a strong, easy-to-connect joint. The cap is tested and UL listed for safety in accordance with NFPA standards.|Strong, durable galvanized steel|Prevents rain and debris from entering the vent|Not to be used with wood-burning applications|Tested and listed per UL 441 for installation in single and multi-story buildings