flexible liner adaptor to twin wall flue - 150mm Dia (671) Zoom flexible liner adaptor to twin wall flue - 150mm Dia (671) SKU: 671150DW. Adapter connecting your system with flexible liner at the bottom through to twin wall at the top. Availability: In stock £78.99 Qty: Add to Cart Email to a Friend Additional Information Additional Information Additional Information SKU 671150DW Diameter 150mm (6") Components Adapters CMS tab x Add to Cart Price: Actual Price: Our price is lower than the manufacturer's "minimum advertised price." As a result, we cannot show you the price in catalog or the product page. You have no obligation to purchase the product once you know the price. You can simply remove the item from your cart. Our price is lower than the manufacturer's "minimum advertised price." As a result, we cannot show you the price in catalog or the product page. You have no obligation to purchase the product once you know the price. You can simply remove the item from your cart.