Narrow Inset Interior Bullet Resistant Window 18" Shelf remove
Description: Part Number: N11W18A 
Narrow Inset Frame Interior Glazed Exchange Window With 18 Inch Shelf and Deal Tray.
Satin Anodized Aluminum Narrow Inset Style Frame, Surround Sound System Allows Natural Voice Transmission. 18 inch stainless steel (457 millimeter) shelf with deal tray, accommodates walls of at least four inches (102 millimeters) thick. Unit easily slides into the wall opening. Levels 1-2-3. Made in The USA