Lattice Return Air Grille 600-16X24 Damper:without Damper 1/2" spacing dual angular louvers

1/2" spacing dual angular louvers

Back blades are parallel to the longest dimension

904 - Double Deflection Adjustable Aluminum Blade Grille For a 36" x 24" Duct Opening (front blades parallel to shortest dimension)

SD34 - Transition Box Spiral Pipe Grille (DOUBle Deflection)

Heavy Duty Construction

Lattice Return Air Grille 600-16X24 Damper:without Damper 1/2" spacing dual angular louversStandard 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