Lattice Return Air Grille 600-22X28 Damper:without Damper Lever operated Opposed Blade Damper

Lever operated Opposed Blade Damper

Locking screw to hold damper in place

Surface mount fixed blade grille with airfoil blades at 0°

RS34 Series Submittal

Lattice Return Air Grille 600-22X28 Damper:without Damper Lever operated Opposed Blade DamperStandard 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