Hinged Duct Access Door - 6 x 6

constructed of a 24 gauge galvanized steel double panel door and frame with mill finish for long lasting durability. 1/8" thick x 1/2"w closed cell neoprene gasketing between insulated door and frame assures tight seal without obstruction in air system. Frame includes 5/8" notched knock over tabs. Door panel filled with 2" fiberglass insulation compressed into 1" and includes aluminum continuous piano hinge. 6" w x 6" h outside flange dimensions. 4-3/4" w x 5/8" d x 4-3/4" h return flange dimensions. Color finish is silver . Number of latches is 1 .