Narrow Inset Interior Bullet Resistant Window 12" Shelf remove
Description: Part Number: N11W12A 
Narrow Inset Frame Interior Glazed Exchange Window With 12 Inch Shelf and Deal Tray
Satin Anodized Aluminum Narrow Inset Style Frame - Surround Sound System Allows Natural Voice Transmission., 12 inch (305 millimeter) shelf and 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.