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Ships within 48 hours · Estimated delivery Aug 28 - Sep 2
Options * 2800 Series - Dynamic Fire Damper * Sleeve variations * 304 stainless steel construction * Fractional and odd sizes available h3
1/2" spacing dual angular louvers
Countersunk mounting holes with color matching Philips Pozidriv screws
Single deflection radius mount spiral pipe grille with adjustable blades
For evaporative coolers or central blower systems
Volume Damper Low-Leak OBD 3000-0BDLL-56X12 Accessories Options * 2800 Series -h3. Standard Features * Opposed blade operation for precise volume control * 16 gauge galvanized channel frame * Blades are vee 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.
