【 Stainless Steel】Made of 304 stainless steel, this chimney cap is cold and high temperature resistant, long-lasting durability. 【Debris Prevention】Designed to prevent debris from entering, this chimney cap effectively keeps unwanted elements out. 【Wear-resistant and Rustproof】Thickened material with integrated hydraulic pressure makes this cap wear-resistant, drop-resistant, and highly resistant to rust. 【Maximum Protection】Specifically designed for use with ducts, chimneys, and air extraction hoods, this cap provides maximum protection without compromising chimney performance. 【Easy Installation】This chimney cap is designed for roof installation and is perfect for exhaust. It comes in two sizes (110mm and 160mm) and includes all necessary hardware for easy installation.