Prime Material: Premium stainless steel construction, durable and reliable, effectively resists corrosion from wind and rain. With Clamp Design: Easy to install and ensures a secure fit on the flue opening, preventing entry of dust and rainwater. Venting Performance: Provides efficient ventilation, enhances combustion, and helps reduce chimney ash buildup and backflow risks. Safety: Helps prevent small animals and rainwater from entering the flue, maintaining chimney integrity and function. Compatibility: Designed for quick installation on roof vents; operates effectively in all weather conditions, ideal for chimneys that are not frequently used. Item Type: Chimney Rotating Ventilator Cap Weight: 1138g / 40.14oz Material: Stainless Steel Suitable For: Residential and commercial applications Package List: 1 x Chimney Cap 1 x Clamp