Ligature- Access Door, Flush Mount, Uninsulated, Material 16 ga Type 304 Stainless Steel, Access Door Installation Wall, Door Height 18 in, Door Width 18 in, Rough Opening Height 20 1/4 in, Rough Opening Width 20 1/4 in, Closure Type Cam and Cylinder Locks, Hinge Type Concealed, Mounting Hole Size 1/4 in, Finish White Powder Coated