Lattice Return Air Grille 600-18X36 Damper:without Damper UL listed and tested in

UL listed and tested in accordance with UL Standard 555C

375 Series Submittal

Reinforced welded core and extra supports for heavy duty application

904 - Double Deflection Adjustable Aluminum Blade Grille For a 14" x 10" Duct Opening (front blades parallel to shortest dimension)

Locking screw to hold damper in place

Lattice Return Air Grille 600-18X36 Damper:without Damper UL listed and tested inStandard 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