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Ships within 48 hours · Estimated delivery Nov 16 - Nov 21
Front blades are parallel to the shortest dimension
2" ADC compliant round collar with bead for ease of installation
125") Aluminum Construction 12 GA Steel Construction
with 60% free area
All component parts
Volume Damper Low-Leak OBD 3000-0BDLL-54X26 Step Down Ceiling Diffuser Front blades are parallel toh3. 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.
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