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Ships within 48 hours · Estimated delivery Sep 11 - Sep 16
Retainer cables are provided on sizes 12" and larger to allow the inner cones to hang securely while adjusting the diffuser
Note: Listed Size Is Nominal Duct Opening / Nominal Filter Size
with 75% free area Options 14 GA 304 SS Construction 12 GA (
57% free area * 1307: 13/16" lattice opening
Adjustable aluminum airfoil blades oriented for 1 or 2 way airflow pattern
Parallel Blade Volume Damper 3000P-46X20 Accessories Retainer cables are provided onh3. Standard Features * 16 gauge galvanized channel frame * Parallel blades are cee 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. Options * 3000 PLL Low Leak Air Control
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