Lattice Return Air Grille 600-20X20 Finish:White One piece stamped steel frame

One piece stamped steel frame on most common sizes

Standard Features * Aluminum fixed bar blade return air T-bar lay-in filter grille * Square collar for 20 1/2" x 20 1/2" duct * Hinged removable face * 20" x 20" x 1" filter (not included) * Seismic support holes * Soft White Options * 915 2 TFG - 2" filter spacing (filter not included) * No Labor Collar - square to round (2x2 only) * 1x2 (20x8 filter) or 2x4 (20x44 filter) * Satin Anodized Finish available on this product

w/ Tool Operated Opposed Blade Damper

904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 16" duct Opening  (front blades parallel to shortest dimension)

Standard Features * 1/2" x 1/2" x 1/2" aluminum lattice return air grille * Surface mount grille with

Lattice Return Air Grille 600-20X20 Finish:White 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