Lattice Return Air Grille 600-20X36 Step Down Ceiling Diffuser Designed for high volume air

Designed for high volume air delivery

remove the two center cones as a unit and reposition the six screws

904 - Double Deflection Adjustable Aluminum Blade Grille For a 48" x 20" Duct Opening (front blades parallel to shortest dimension)

Blades spaced at 2/3"

Lattice Return Air Grille 600-20X36 Step Down Ceiling Diffuser Designed for high volume airStandard 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