Our 20″x12″x18″ crash housing is our smaller size. The top is removable and there are openings on the two shorter sides. One is a centered opening of 6″x6″. Opposite that is a centered opening of 7″x13″.
Our 27″x16″x19″ crash housing is our larger size.
The top is removable and there are openings on all sides.There is a centered opening of 8″x6 1/2″ on the thinner 16″x19″ side.
On the adjacent side, as seen in the image, there is an 8″x4″ opening off-center left of the 27″x19″ side.
The other two sides contain holes of a 2 1/2″ diameter high center of the sides.
