Lattice Return Air Grille 600-42X42 Commercial Holds up to a 1"

Holds up to a 1" filter (not included) with filter retention tabs (FG1)

Locking screw to hold damper in place

Standard Features * Airflow can be adjusted to 1

904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 18" Duct Opening(front blades parallel to shortest dimension)

available with two or four diffusers per panel

Lattice Return Air Grille 600-42X42 Commercial Holds up to a 1"Standard Features * 1 2" x 1 2" x 1 2" aluminum lattice return air grille * Surface mount grille with . 055 T6 extruded aluminum frame * 90% free area * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Soft White Options * 600 O opposed blade damper * No Labor Collar Square to round (square sizes only) * 600 T T Bar mount * 1 2" x 1 2" x 1" Lattice or 1" x 1" x 1" Lattice * Fractional sizes, inner