【304 Stainless Steel】This chimney cap is made of 304 stainless steel, ensuring its cold and high temperature resistance and durability. 【Effective insect protection】Designed to prevent the entry of debris and other unwanted objects. Thick and wear-resistant material: With its thick material and built-in hydraulic pressure, this chimney cap is wear-resistant, drop-resistant and rust-proof, ensuring its durability. 【Maximum protection for ventilation】Suitable for ventilation ducts, chimneys and air extractor hoods, this chimney cap provides maximum protection without compromising the performance of the chimney. Easy installation on the roof: Designed for easy installation on the roof, this chimney cap is a practical and reliable solution for smoke exhaust gases. Note: The data are all measured Manually, please allow 1-3cm error Due to differences in light and display, there may be some color differences, please refer to the actual item received.