The RAVRG4, is a door-sized return air grille. It includes a hinge side with optional left or right side installation. It requires a 28-1/8" x 55-7/8" cutout. In this installation, the field supplied filter fits in a bracket behind the grille louvers. The outside dimensions of the door are 29-3/8" x 57-3/8".
The RAVRG4 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 all Zoneline Vertical Air Conditioners - current and prior.