Lattice Return Air Grille 600-4X20 past 12 months 904 - Double Deflection Adjustable

904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 18" Duct Opening (front blades parallel to shortest dimension)

T-Bar hinged 2 Cone Step Down Diffuser with Round Collar

Extruded aluminum surface mount frame with signature line marks

Designed for large volume air delivery

Countersunk mounting holes with color matching Phillips Pozidriv screws

Lattice Return Air Grille 600-4X20 past 12 months 904 - Double Deflection AdjustableStandard 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