150mm Duct Pipe Connector 
with Non-Return Valve

Connector fits into Ø150mm round pipe ducting to connect two lengths together in a straight line.
For use with the Ø150mm Round Pipe Ducting systems.
Connector type: Round male fittings - outer Ø150mm to fit inner Ø150mm of ducting pipe.
Equipped with a backdraft damper for backflow prevention.
Quick and easy fit
Lightweight
Material: PVC
Colour: White
Flame retardant