Description
Ø 100 mm / 4 in Ducting Non-Return Valve. The connector fits into round pipe ducting to connect two lengths in a straight line. For use with the Round Pipe Ducting systems. Connector type: Round male fittings to fit inner of ducting pipe. Equipped with a backdraft damper for backflow prevention. Quick and easy fit. Lightweight. Material: PVC. Colour: White.
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