Click to expand Tap to zoom Viessmann 0.5 m flue extension pipe 60/100 mm - 7373223 by VIESSMANN SKU 7373223 Please call to check availability before ordering Live Chat / 01985 850982 Flue Extension. Flue 60/100mm 500mm Balanced flue extension,: For internal or external use May be cut to size Request a quote ( Click here v ) Name Email Quantity Message Request quote