The sheet metal register duct ceiling outlet box is designed for a duct transition between round pipe and square ceiling diffuser, suitable for air ventilation systems in commercial buildings, home, and industrial workplaces.Specification:Color: Silver Tone;Material: Galvanized Steel ;Inner size: 203 x 203mm / 7.99 x 7.99"; (L*W), fits 8x8"; ceiling diffuser.Duct Collar Outside Diameter: 152.4mm / 6 inch;Duct Collar High: 60mm/0.24 inch;Thickness: 0.6mm / 0.02 inch;Packing List: 1 x Ceiling Register BoxAdvantage:Made of galvanized iron, it is not only corrosion-resistant and strong but also capable of withstanding high temperatures and high pressure, ensuring reliable operation of the ventilation system. It can be used in outdoor environments for a long time, not easy on the aging.With a smooth surface and good sealing.
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