Forever stock - custom cap fits over 90% of all chimneys. Protects the entire chimney crown and flue from deterioration. Removable hood makes for easy cleaning. Knock-down design saves on shipping costs. Standard 10 in. screen height. 3/4 in. animal proof oval hole mesh prevents creosote build up. Wide 1-1/2 in. flange for easy installation. For the correct size measure the overall chimney crown size length and width. Than subtract 3 in. from the length and width to get the correct screen to screen size. Please note: the highest flue on your chimney must be 5 in. or less for this type of chimney cap to maintain proper drafting. This cap will fit a chimney crown that size is 34 in. x 52 in. or larger. 24-Gauge hood size is: 38 in. x 56 in. 22-gauge screen to screen size is: 31 in. x 49 in. Overall 22-gauge base size with mounting flange is: 34 in. x 52 in.

　　- 304-Stainless steel

　　- Also this model is available in custom sizes, copper and 5/8 in. mesh screening

　　- Lifetime warranty

　　- Made in the U.S.A.

　　- The forever cap nothing else even comes close