- Adjustable Fit for Various Sizes: This chimney cap features an adjustable valve that allows you to modify the base diameter within a range of 1 cm (0.4 inches). Easily tighten the adjusting collar to fit different pipe sizes, ensuring a snug fit. For best results, measure the outer diameter of your flue pipe. Compatible with pipe sizes from 7.9 to 8.3 inches (flue outside diameter). - Effective Chimney Protection: Made from galvanized steel, our chimney cap includes a large 11.8-inch top that effectively prevents rain and snow from entering your chimney flue. The mesh design enhances ventilation while keeping debris and animals out, providing a reliable outdoor protection solution. - Sturdy and Durable Construction: Crafted from 0.5-mm galvanized steel, this chimney cover is built to withstand harsh weather conditions, including typhoons, rain, snow, and intense sunlight. The cone-shaped top and mesh structure offer additional strength and resistance to deformation, ensuring long-lasting performance. The smooth surface features no sharp edges, making installation safe and comfortable. - Quick and Easy Assembly: Installation is straightforward with the included instruction manual. The adjustable valve allows for a one-person setup, saving you time and effort. Simply place the cap on the chimney and screw it in place. A pair of assembly gloves is provided to prevent scratches during installation. - Versatile Use Scenarios: Enhance your chimney's performance with this cap, designed to facilitate smoke exhaust and maintain the burning function of various stoves. Ideal for wood-burning stoves, oil-burning stoves, and outdoor mud stoves, it ensures efficient smoke discharge, allowing for optimal heating both indoors and outdoors.