Grant W x 450/100 Vortex He White Flue Extension 450 x 100mm Diameter (15-46kW)
![](https://britishbuildingsupplies.co.uk/wp-content/uploads/2024/06/GPID_1000220870_IMG_00.jpeg)
Conventional 450mm extension for boilers up to 46kW. Quick and simple to install Stainless steel White powder coated Complete with locking band
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Conventional 450mm extension for boilers up to 46kW. Quick and simple to install Stainless steel White powder coated Complete with locking band