Lattice Return Air Grille 600-4X12 Residential Registers & Grilles Free area equals more than

Free area equals more than 75% of nominal size

14" * Soft White Options * Field installable Bowtie Damper (BD) * TVB - Thermal Vapor Blanket * HVD - Hinge Down Face

855 Series Engineering/Performance Data

Performance Data - No Damper

Lattice Return Air Grille 600-4X12 Residential Registers & Grilles Free area equals more thanStandard 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