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BUILDERS BEST 011447 is a V220 semi-rigid flexible aluminum duct, non-insulated and classified as Class 0. This general-purpose venting supply, return, or exhaust duct is suitable for low and medium operating pressures, offering a maximum velocity of 5,000 FPM and an operating temperature range of -100°F to +430°F.
This Class 0 non-insulated semi-rigid aluminum duct is designed for general purpose venting, featuring plain ends and a flexible, durable construction.
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