Lattice Return Air Grille 600-8X22 Step Down Ceiling Diffuser Standard Features * Universal Collars

Standard Features * Universal Collars for T-bar supply and returns * Soft White Finish * Available for 6" to 14" round duct in 1" increments

904 - Double Deflection Adjustable Aluminum Blade Grille for a 16" x 8" Duct Opening   (front blades parallel to shortest dimension)

Standard Features * Individually adjustable curved blade T-Bar lay in diffuser with concealed hinges * Hinged perforated face * Spring push release for easy access to adjust curved blades * 2x2 galvaneal steel panel with seismic support hangers * Round No Labor Collar sizes: 6-10"

Curved saddle with gasket provides airtight fit to spiral pipe

Standard Features * Individually adjustable curved blade T-Bar diffuser * Core is constructed of

Lattice Return Air Grille 600-8X22 Step Down Ceiling Diffuser Standard Features * Universal CollarsStandard 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