Aluminium flexible pipe nominal width = internal dimensionExtendable to 2.5 m application length, compressed to 0.6 mPure aluminium, 2-ply quality (2 x 60 µ)Painted black in oven colourTemperature resistant up to 200°CIntelmann black lacquered aluminium flex pipe - discreet and flexible! The Intelmann aluminium flex pipe in black stove colour is perfect for the outside air connection of your stove, as almost all stoves are also painted in an elegant black. Stoves are increasingly being supplied with external combustion air, for which silver-coloured Aluflex pipes are often used. The silver-coloured aluminium flex pipe does not blend in with the overall appearance of the stove. This problem can be solved with the black painted Intelmann FSL aluminium flex pipe! The aluminium flex pipe has a high-quality, heat-resistant coating up to 200 °C. It has a maximum stretched length of 250 cm and is available in various diameters. It is supplied in a compressed state: approx. 60 cm. Details: Aluminium flex pipe in 2-layer quality = 2 x 60 µ pure aluminium for the highest requirements in accordance with DIN 24146 Colour: black matt (stove colour) High-quality heat-resistant coating up to 200 °C Pull apart / compress - the coating remains in place for a discreet combustion air supply Various diameters: 80, 100, 125 and 150 mm Extended length up to 250 cm, compressed approx. 60 cm Made in Germany