Lattice Return Air Grille 600-6X28 past 12 months 055 T6 extruded aluminum *

055 T6 extruded aluminum * Square collar * For 22"x22" square duct * Soft White Options * 915 T O - opposed blade damper * No Labor Collar - square to round (2x2 only) * 1x2 panel (10"x22" duct) or 2x4 panel (22"x46" duct) * Satin Anodized Finish available on this product

Building materials rated 3 hours or less

RD Series Engineering/Performance Data

Countersunk mounting holes for flush appearance with stainless sheet metal screws

Adjustable aluminum airfoil blades oriented for 1 or 2 way airflow pattern

Lattice Return Air Grille 600-6X28 past 12 months 055 T6 extruded aluminum *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