Lattice Return Air Grille 600-6X30 Finish:Designer Color - Velvet Black *Note: Ceramic fiber blade insulation

*Note: Ceramic fiber blade insulation is not UL required on dampers with free areas less than 80 square inches

Double deflection radius mount spiral pipe grille with adjustable blades

REVIT FILES

904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 4" Duct Opening  (front blades parallel to shortest dimension)

Standard Features * Stamped steel curved blade T-Bar lay-in diffuser with perforated face * Five air patterns: 101 P - one way

Lattice Return Air Grille 600-6X30 Finish:Designer Color - Velvet Black *Note: Ceramic fiber blade insulationStandard 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