Product details:

18" x 18" Acoustical Recessed Access Door - Acudor The AP-5010 recessed access door is designed for use in acoustical plaster walls and ceilings. The door is recessed 5/8" and is lined with self-furring lath. An expansion casing bead with 3" wide galvanized lath, included as part of the frame, provides a clean, tight finish between the frame and plaster and also adds reinforcement. Product Features Door is recessed 5/8" and is lined with self-furring lath Expansion casing bead with 3" wide galvanized lath