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SUBMITTAL 2720 Series Submittal
904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 24" Duct Opening (front blades parallel to shortest dimension)
69% free area * 1308: 7/8" lattice opening
with 75% free area Options 14 GA 304 SS Construction 12 GA (
Options * Sleeve variations * 304 stainless steel construction * Fractional and odd sizes available h3
Volume Damper Low-Leak OBD 3000-0BDLL-38X24 Smoke-Fire Damper SUBMITTAL 2720 Series Submittalh3. 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.
