A top quality stainless steel high temperature insulated twin wall flue pipe with bright annealed mirror finish. Guaranteed for 10 years against defects due to faulty manufacture.IMPORTANT : Your stove must have a minimum of a 1 metre vitreou- 6 inside diameter- 45 Y piece- 25mm high density insulated core surrounded by 316 grade inner liner- 0.5mm thick (25% thicker than some products) - 304 grade outer casing is 0.5mm thick- BSRIA approved to BS EN 1856 Parts 1 & 2 - HPTDCLA6911255
