Lattice Return Air Grille 600-22X40 Finish:Designer Color - Aluminum Paint 14" and 16" Options *

14" and 16" Options * Field installable Bowtie Damper (BD) * HL OR - factory installed opposed radial damper (sizes 6"-14") * HL FR - U

Adjustable directional dampers with shut-off

back blades parallel to longest dimension

Spiral pipe diameter must be 4” larger than Height of the duct opening

Opposed Blade Damper standard on 4" widths

Lattice Return Air Grille 600-22X40 Finish:Designer Color - Aluminum Paint 14" and 16" Options *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