Fire Rated Access Door, Flush Mount, Insulated, Material Steel, Access Door Installation Wall or Ceiling, Door Height 18 in, Door Width 18 in, Rough Opening Height 18 1/4 in, Rough Opening Width 18 1/4 in, Closure Type Knurled Knob/Key Operated Latch Bolt, Hinge Type Concealed, Finish Powder Coat, Features Drywall Bead Flange, Fire Rated