Parallel Volume Damper Low Leak 3000PLL-60X48 Step Down Ceiling Diffuser Surface mount fixed blade grille

Surface mount fixed blade grille with airfoil blades at 0°

Standard Features * 1/2" spacing dual angular louvers * 22 & 20 gauge cold roll steel * Install with louvers in up or down position for best duct concealment * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 1033 - 1/3" spacing available in limited sizes * A-1050 -

14" and 16" * Soft White Options * Field installable Bowtie Damper (BD) (sizes 6-14"

Extruded aluminum surface mount frame with signature line marks

Options Recessed screwdriver operated Opposed Blade Damper

Parallel Volume Damper Low Leak 3000PLL-60X48 Step Down Ceiling Diffuser Surface mount fixed blade grilleh3. Standard Features * 16 gauge galvanized channel frame * Parallel blades are cee stiffened 16 gauge galvanized for strength and stability * Blades pivot on non metallic celcon bushings * 1 2" square zinc plated steel pivot pins * 1 2" square zinc plated steel adjustable operating shaft extending up to 4" beyond the air control frame * Single blades on dampers with a height of 12" or less * Mill finish h3. Options * 3000 PLL Low Leak Air Control