Lattice Return Air Grille 600-10X40 Damper:Opposed Damper Standard Features * Double deflection

Standard Features * Double deflection aluminum wall or ceiling register * Heavy gauge aluminum frame * Individually adjustable extruded aluminum airfoil blades * Allows for spot or normal air diffusion * Hidden mounting mechanism * White Options: * Standard Color or Designer Color Finish available on this product

Extruded aluminum frame with signature line marks

Zinc plated steel closure spring

Smoke Test and More Information on MA Series Diffusers

Lattice Return Air Grille 600-10X40 Damper:Opposed Damper Standard Features * Double deflectionStandard 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