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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
3/16" cross bars
Standard Features * 1/2" spacing dual angular louvers * 22 & 20 gauge cold roll steel * Mullions are reinforced with stiffeners for greater strength * For applications where greater air volume is required * Install with louvers in up or down position for best duct concealment * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * Tamper proof screws * Standard Color
½ × ½ × ½ Aluminum lattice
Nylon bushings for easy adjustment and quiet setting of blades running parallel to shortest dimension
Hinged removable extruded aluminum face frame with signature line marks
Volume Damper Low-Leak OBD 3000-0BDLL-30X18 Specialty Products 3/16" cross barsh3. 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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