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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
For damper free area chart B click here * 2665 - Round fire door for vertical mount only
Square Collar
Countersunk mounting holes for flush appearance with color matching Phillips Pozidriv screws
Options (must specify when ordering)
Parallel Blade Volume Damper 3000P-50X22 Specialty Products For damper free area charth3. 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
