Product Description 31 x 35 Multi Flue Stainless Steel Crown Mount Chimney Cap Will fit chimney crowns with a minimum overall dimensions of 34" x 38" and flues with heights of less than 5". Installation hardware is not included. Stainless Steel Lifetime Warranty. Made in the USA. From the Manufacturer Forever Stock - Custom Cap Professional Model Heavy Duty. 100% Stainless Steel. Fits over 90% of all chimneys while costing 60% less when compared to ordering a custom made chimney cap. Protects the entire chimney crown and flue from deterioration. Removable hood for easy cleaning. Knock-down design saves on shipping costs. Standard 10" screen height. Superior 3/4" animal proof oval hole mesh that helps prevents creosote build up. Wide 1 1/2" flange for easy installation. For the correct size measure the overall chimney crown size length and width. Than subtract 3" from the length and width to get the correct screen to screen size. Please Note: The highest flue on your chimney MUST BE 5" or less for this type of chimney cap to maintain proper drafting. 24 gauge hood. 22 gauge base and mount flange. The Forever Cap. "Nothing Else Even Comes Close".