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945 Series Engineering/Performance Data
Minimum size is 4"x4"
Please contact us for a quote on options
Standard Features * 2649 - Round damper for vertical mount only
Countersunk mounting holes with color matching Phillips Pozidriv screws
Volume Damper Low-Leak OBD 3000-0BDLL-34X18 Residential Registers & Grilles 945 Series Engineering/Performance Datah3. 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.
