Gelco 3/4 inch mesh Chimney Cap 10H x 11W x22L Height: 10″ Width: 11″ Length: 22″ Mesh size 3/4″. Knock Down – For easy transport and storage. Swing Tabs – For easy installation. Hinged Corners – For easy assembly. Gelco Quality Construction. Reinforced and hemmed lid. 2-5/8″ Overhang – Standard on all sizes. RETURNS NOT ACCEPTED.