Hobby or chimney expands to 2 meters and 6 inches in diameter (6*2.51cm) of thermally expandable aluminum for kitchen hood, gas heater and air conditioning + special thermal paste roll 23 yards

Made of heat-insulating aluminum foil - you must take into account safety conditions and avoid installing it yourself - and always rely on a specialized technician, thank you - expandable flexible made of aluminum foil for kitchen hoods and other purposes - ventilator chimney for hood - stove chimney ventilator - expandable thermal aluminum flexible - for hood Kitchen, bathroom and air conditioning