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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
Mounting holes with color matching 2" baseboard Phillips screws
Standard Features * 4000 - door core grille with single frame * 4100 - door core grille with additional loose frame *
2 position adjustment for heating and cooling seasons
Available in 4" through 29" round
CB10 Engineering/Performance Data
Volume Damper Low-Leak OBD 3000-0BDLL-26X14 Smoke-Fire Damper Mounting holes with color matchingh3. 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.
