1. Rain and Moisture ProtectionThis chimney cap serves as protection for your chimney against rain and moisture, especially suitable for chimneys that are not frequently used. It comes with thickened sturdy legs and a complete mounting set for easy installation. 2. Stainless Steel ConstructionThis rotating chimney cowl is made of quality stainless steel, ensuring durability. It fits most standard chimney tops and is effective in preventing wind and improving ventilation. 3. Effective AntiDowndraught SolutionThe specially designed rings of this chimney cowl prevent downdraught from entering the chimney, providing a antidowndraught solution. It effectively stops smoke gases from flowing back into the chimney. 4. WindPowered Rotating DesignThe hood of this chimney cowl is designed to rotate with the wind, causing the vanes to spin and enhancing air intake. The stronger the wind, the more efficient the ventilation becomes.