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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
Note: Listed Size Is Nominal Duct Opening / Nominal Filter Size
T-20 Tamper Proof Screws
Steel multi-shutter damper
enclosed in valve to assure trouble-free operation
REVIT FILES Egg Crate T-Bar Filter Grille 2" with Round Collar
Volume Damper Low-Leak OBD 3000-0BDLL-60X12 past 12 months Note: Listed Size Is Nominalh3. 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.
