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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
For evaporative coolers or central blower systems
with 53% free area
Lever operated multi-shutter damper
Driftwood Tan
Volume Damper Low-Leak OBD 3000-0BDLL-44X42 Accessories For evaporative coolers or centralh3. 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$ 20.99
US$ 44.00
US$ 1649.50
