Title: VELUX Sun Tunnel Kit TWR 0K10 2010 + 3x ZTR 0K10 0062 Extensions – Brand New Description: Selling a complete VELUX rigid sun tunnel kit. All items are brand new, still in original unopened boxes. Included in this set: • 1x VELUX TWR 0K10 2010 Rigid Sun Tunnel for tiled roof (10” / 25cm diameter) • 3x VELUX ZTR 0K10 0062 Extension Tubes (each 62cm) Retail price for this full set is over £700. My price: £500 for the whole lot. Perfect for adding natural daylight to dark areas such as hallways, bathrooms, or kitchens.