Lattice Return Air Grille 600-16X40 Step Down Ceiling Diffuser Double deflection surface mount grille

Double deflection surface mount grille with adjustable airfoil blades

Standard Features * Aluminum fixed bar blade return air T-bar lay-in filter grille * Square collar for 20 1/2" x 20 1/2" duct * Hinged removable face * 20" x 20" x 1" filter (not included) * Seismic support holes * Soft White Options * 915 2 TFG - 2" filter spacing (filter not included) * No Labor Collar - square to round (2x2 only) * 1x2 (20x8 filter) or 2x4 (20x44 filter) * Satin Anodized Finish available on this product

904 - Double Deflection Adjustable Aluminum Blade Grille For a 32" x 18" Duct Opening (front blades parallel to shortest dimension)

Use for applications with round ductwork to create a clean and easy to install finish for your round registers or diffusers

Recessed screwdriver operated opposed blade damper to control air volume for positive balance of system

Lattice Return Air Grille 600-16X40 Step Down Ceiling Diffuser Double deflection surface mount grilleStandard 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