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Ceramic fiber blade installation with fiberglass cover*
904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 12" Duct Opening (front blades parallel to shortest dimension)
Nylon bushings for easy adjustment and quiet setting of blades running parallel to shortest dimension
PERFORMANCE DATA 600TFG Series Engineering/Performance Data
Louvers designed with rolled rib for maximum strength and rigidity
Volume Damper Low-Leak OBD 3000-0BDLL-32X20 Commercial Ceramic fiber blade installation withh3. 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.
US$ 109.00
US$ 62.00
US$ 624.50
US$ 769.50
