【 Quick Installation 】Pre-assembled steel chimney cap one-piece design with pre-drilled holes eliminates complex assembly. Fireplace chimney caps Includes 6 corrosion-resistant stainless steel screws for permanent mounting on clay/masonry flues. 【 Effectively Protect the Chimey 】① Angled rain caps for chimney roof sheds snow/water ② 0.6mm galvanized steel mesh blocks 99% debris embers/leaves ③ 3/4" reinforced grid stops squirrels/birds. Protects chimney cap steel from storms. 【 Fire-Safe Design 】Thick steel vented chimney cap outperforms basic fireplace chimney caps black. Welded 0.4" mesh contains sparks while maintaining airflow. Withstands extreme flue temperatures safely. 【 Ultra-Safe Heavy-Duty Build 】0.8mm galvanized steel chimney cap resists rust 5X longer than basic metal chimney caps. Smooth rolled edges ensure cut-free installation for safer handling compared to sharp-edged metal chimney caps. Engineered to endure decades of blizzards, typhoons, and UV rays without warping. 【 Multi Size 】Chimney spark arrestor offers a variety of size options,with the dimensions of the metal chimney cap being 9*9inch,9*13inch,and 13*13inch.This chimney flue cover is the result of our careful design and meets strict high-quality standards,effectively protecting your fireplace. The chimney flue cap is made of high quality thickened galvanized steel, which is strong and durable, not easy to rust and not easy to damage. Our chimney lid is an all-in-one design, no assembly required, saving you the trouble of assembling. The accessories are complete with six nuts and a pair of gloves to protect your hands during installation. The chimney outside cap is made of high quality material, which has the advantages of anti-corrosion, rain and snow protection, high temperature resistance, and not easy to deform. The spark arrestor chimney cap is designed as a diamond mesh structure, which can effectively prevent birds, small animals, rain, snow, leaves, debris, etc. from entering the chimney flue and protect the chimney flue from being disturbed. Specification: 13*13inch Material: galvanized steel Cap size: 18.8*18.8inch Bottom diameter: 13.7*13.7inch Height: 7.7 inch Style: square Package Includes 1 × Chimney cap 6 × screws 1 × glove