A top quality stainless steel high temperature insulated twin wall flue pipe supplied with a bright annealed mirror finish. Guaranteed for 10 years against defects due to faulty manufacture.IMPORTANT : Your stove must have a minimum of a 1 me- 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 - HETAS approved for solid fuel burning- 6PTDCLA6911258
