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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
Standard collar diameter is the same as the diffuser size
Steel construction
Ceiling opening must be 4” larger in length and width than the nominal duct size
stair risers
Standard Features * Extruded aluminum (
Volume Damper Low-Leak OBD 3000-0BDLL-64X60 Commercial Standard collar diameter is theh3. 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.
US$ 32.95
US$ 40.95
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US$ 40.95
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