The RAVRG3, is a door-sized return air grille. It has a hinge on the left side and is designed to be installed in a 27" x 55.75" cutout. In this installation, the field supplied filter fits in a bracket behind the grille louvers. The outside dimensions of the door are 29" x 58".
The RAVRG3 provides a finished look to your room. It is warm gray-beige in color. It installs in an interior closet wall common to the unit. It is for use with the 18000 BTU large chassis Zoneline Vertical Air Conditioners but can also be used with the small chassis units.