The 801-08 is a 8 inch butterfly air damper. This butterfly damper is used to cover duct openings in conjunction with a round air diffuser. This product is constructed to help evenly spread out airflow from your duct opening. Using product to outfit your ventilation system will improve your home or office air circulation. • Durable brown powder coat finish • All steel construction • 8 inch round diffuser damper • •
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