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700 CB20C - corner
3/4" round collar
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700 CB20 - two way
165° replaceable fusible link
Parallel Blade Volume Damper 3000P-46X36 Specialty Products 700 CB20C - cornerh3. 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
