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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
inner dimension and outer dimension sizes available * Tamper proof screws * Standard Color
Standard Features * Modular core ceiling diffuser * Modular core has galvaneal steel blades in
AA-HVL Series Engineering/Performance Data
Lever operated Multi-Shutter Damper
Options Recessed screwdriver operated Opposed Blade Damper
Volume Damper Low-Leak OBD 3000-0BDLL-72X36 Commercial inner dimension and outer dimensionh3. 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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