Hy-C Draft King 9 x 21 Inch Black Stainless Bolt-On Single Flue Chimney Cover with 5/8 Inch Mesh

Hi there, this Hy-C Draft King 9 x 21 Inch Black Stainless Bolt-On Single Flue Chimney Cover will not fit your single flue chimney. This cap is designed for outside tile dimensions ranging from 7 1/8 to 9 1/2 inches on one side and 19 1/8 to 21 1/8 inches on the other. Your flue measures 11 inches by 18 3/4 inches, which falls outside these specifications. The 11-inch side of your flue is too wide, and the 18 3/4-inch side is too short for this particular cap. To find a chimney cap that will fit your exact flue dimensions, please use our Virtual Chimney Cap Assistant. This tool will help you find compatible options based on your measurements.