Hobby or chimney expands to 5 meters and 6 inches (15.06 cm) in diameter, made of thermally expandable aluminum for kitchen hood, gas heater and air conditioning + a special thermal paste roll of 23 yards + a hobby hood with a button to control opening and closing

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