Parallel Volume Damper Low Leak 3000PLL-28X20 Accessories Minimum size is 4"x4"

Minimum size is 4"x4"

14" and 16" * Soft White Options * 825 MA - modular core fixed blade diffuser with field adjustable air patterns * Field installable Bowtie Damper (BD) (sizes 6-14") * 825 OR - factory installed opposed radial damper (sizes 6"-14") * 825 FR - U

Options 14 GA 304 SS Construction

904 - Double Deflection Adjustable Aluminum Blade Grille For a 34" x 18" Duct Opening (front blades parallel to shortest dimension)

Parallel Volume Damper Low Leak 3000PLL-28X20 Accessories Minimum size is 4"x4"h3. 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