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Retainer cables are provided on sizes 12" and larger to allow the inner cones to hang securely while adjusting the diffuser
Extended sleeve (2751)
PERFORMANCE DATA 845 Series Engineering/Performance Data
Center margins are mounted on the backside of the grille for a streamlined continuous look
Volume Damper Low-Leak OBD 3000-0BDLL-38X14 Residential Registers & Grilles Retainer cables are provided onh3. 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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