S & K 3" x 6-3/4" Galvanized Steel Vent Pipe Cap is designed to protect vent pipes from moisture and external elements. This cap helps keep vent pipes dry, preventing internal water damage and protecting against backdrafts. It also promotes positive air flow within the vent system. Made from durable galvanized steel, this vent pipe cap is built to last and withstand various weather conditions, making it a reliable choice for vent protection and maintenance. Model Number: D-283