Lattice Return Air Grille 600-28X28 Step Down Ceiling Diffuser Square to round 2" collar

Square to round 2" collar with roll formed retention bead - available in square sizes only

1x2 T-Bar (8" x 20" duct)

Standard Features * Extruded

CB Series W/Damper R

3 hour fire resistance rating

Lattice Return Air Grille 600-28X28 Step Down Ceiling Diffuser Square to round 2" collarStandard 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