Highcool 5 Inch Metal Roof Cowl — Round Exhaust Vent Cover with Snow Hat & Bird Protector

Designed for a precise fit on 5-inch diameter exhaust tube ends, this Highcool roof cowl provides reliable ventilation while protecting your ductwork. Built from corrosion-resistant galvanized steel for strength and long service life, the unit includes a rubber seal that creates an airtight barrier to block drafts and moisture from entering the duct. The integrated top/hat shields the opening from snow and the elements, and a built-in protector keeps birds and debris out. Its round roof shape promotes efficient air exchange and improved indoor air flow. Not intended for use with heating chimneys. Suitable as an HVAC vent cover for residential and industrial ventilation applications.