OMNI UBS Small Square Cover Port
This modular system consists of 4 corner pieces that click together to make a 16" x 16" frame. Each corner piece is filled with water in order to act as a tamping medium as well as to reduce the amount of explosives. The end result will be a hole that will allow an assaulter to effectively cover the room with either a handgun or carbine.
Dimensions - 16" x 16"