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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
Heavy Duty Construction
Square or rectangular for vertical mount only
w/ Lever Operated Opposed Blade Damper
Countersunk mounting holes with color matching Philips posi-drive screws
Parallel Volume Damper Low Leak 3000PLL-52X52 past 12 months Heavy Duty Constructionh3. 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
