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Ships within 48 hours · Estimated delivery Nov 10 - Nov 15
Standard Features * 2533 - Square or rectangular for vertical mount only
2" ADC compliant round collar with a bead for ease of installation
904 - Double Deflection Adjustable Aluminum Blade Grille For a 32" x 18" Duct Opening (front blades parallel to shortest dimension)
SD52 - Transition Box Spiral Pipe Grille (Single Deflection)
Interlocking steel roll-formed blades
Volume Damper Low-Leak OBD 3000-0BDLL-62X54 past 12 months Standard Features * 2533 -h3. 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.
