Back Draught Shutter 100mm 4" Ducting Pipe Connector Non-Return Valve Damper

100mm Ducting Pipe Connector. Connector fits into Ø100mm (4") round pipe ducting to connect two lengths together in a straight line. For use with the Ø100mm (4") Round Pipe Ducting systems. Connector type: Round male fittings - outer Ø100mm (4") to fit inner Ø100mm (4") of ducting pipe.

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