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T-Bar Modular Core Diffuser
Type 304 stainless steel
2-way reversible door on rectangular sizes
2" ADC compliant round collar with bead for ease of installation
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Volume Damper Low-Leak OBD 3000-0BDLL-18X18 Residential Registers & Grilles T-Bar Modular Core Diffuserh3. 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.
