Homesaver Pro Stainless Steel Chimney Cap by Copperfield Chimney Supply 8 Inch x 13 Inch Material: 100 percent 304 stainless steel Overall Dimensions: 13 inches (W) x 8 inches (D) x 8 inches (H) Fits Outside Dimensions: 6-1/2 inches x 11-1/2 inches to 9 inches x 14 inches 18 ga. base and mesh, 24-ga. lid vProduced with the highest grade materials