Lattice Return Air Grille 600-24X42 Accessories One piece stamped steel frame

One piece stamped steel frame on most common sizes

904 - Double Deflection Adjustable Aluminum Blade Grille for a 48" x 18" Duct Opening (front blades parallel to shortest dimension)

Available in even sizes 6" to 20" and 24"

back blades parallel to longest dimension

Opposed Blade Damper standard on 4" widths

Lattice Return Air Grille 600-24X42 Accessories One piece stamped steel frameStandard 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