411 | 3-1/4" x 10" to 6" Round Trans | BROAN-NuTone Product Type_300F Manual Reset Blocked Vent This valve is commonly used

This valve is commonly used for controlling the flow of gases in industrial processes

This plenum is specifically designed for use with OH8

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PIN DAMPER AXIAL

411 | 3-1/4" x 10" to 6" Round Trans | BROAN-NuTone Product Type_300F Manual Reset Blocked Vent This valve is commonly used3 1 4" x 10" to 6" Round Transformer Transition by BROAN NuTone, [sku] 411. This transition is designed for use with round ductwork and features a 3 1 4" diameter on one end and a 6" diameter on the other end. It is made of galvanized steel for durability and is easy to install. It is perfect for connecting two different sizes of round ductwork in residential or commercial applications, and is commonly used in ventilation systems to transition between