Molded Plastic - Choose White Or Black
No Mounting Hardware you will need to provide caulk and screws
These are used on the sides of your cargo trailer to allow airflow into the unit.
INSTALLATION A 3" hole will need to be cut in wall where you wish to place the inner vent piece.
Do not cut wall stud.
The 1/2 moon goes on the outside of your trailer matching up to the round part so the flat side of the 1/2 moon faces your trailer. These can be screwed or riveted on.
To promote airflow throughout trailer install one complete moon vent in upper front corner of trailer and additional moon vent in lower back corner or trailer, see diagram from examples.