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RD Series Engineering/Performance Data
T-Bar hinged 2 Cone Step Down Diffuser with Round Collar
904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 18" Duct Opening (front blades parallel to shortest dimension)
Designed for large volume air delivery
REVIT FILES Egg Crate T-Bar Filter Grille 2" with Round Collar
Lattice Return Air Grille 600-4X20 past 12 months RD Series Engineering/Performance DataStandard 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
