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Ships within 48 hours · Estimated delivery Oct 7 - Oct 12
1/2” Wide x 1/2” High square holes
blades prevent metal on metal rattle Countersunk mounting holes with color matching Phillips Pozidriv screws Rust-resistant pre-coat with durable powder finish Soft White Options Screwdriver operated Opposed Blade Damper 2" ADC compliant square to round collar with a bead for ease of installation Heavy Duty Construction MRI Compatible Insect Screen Fractional
Nylon bushings for easy adjustment and quiet setting of blades running parallel to shortest dimension
Nylon bushings on adjustable blades prevent metal on metal rattle
Adjustable directional dampers with shut-off
Volume Damper Low-Leak OBD 3000-0BDLL-24X34 Commercial 1/2” Wide x 1/2” Highh3. 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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