12" x 18" Aesthetic Access Door with Hidden Flange - Cendrex Rough Opening Size: 12 &frac14;" wide x 18 &frac14;" high Material: 16 gauge cold rolled steel, Finish: High Quality White Powder Coat Lock / latch: 1 x Screwdriver Operated Cam Latch Hinge: Concealed, exclusive hinge design Flange: Hidden