18x18 - B-HS High Security Access Panel
Babcock-Davis BHS-Series: BHS non-rated, high security, flush access doors provide access through openings in fire rated vertical or horizontal surfaces and are manufactured with detention-grade materials to prevent unwanted access.
10-gauge cold rolled steel
2" x 2" x 3/16" steel angle
Surface-mounted, heavy-duty butt hinges
Security screws (Standard)
Paintable powder coat
Rough opening is door size + 3/4".