|Hatch boards with the solid plexiglass
section in the center.
Bottom picture shows the second plexiglass panel...this one has ventilation openings cut into the plexiglass. Even though plexiglass of this thickness is usually very heavy, doing the three sections made them very manageable. And it is nice to have the option of the vents or not.
For details, contact:
SV Kokopelli P23