A hobby or chimney that expands to 7.5 meters and a diameter of 5 inches (12.55 cm) of thermally expandable aluminum for the kitchen hood, gas heater and air conditioner + a special thermal paste roll of 23 yards + a hobby hood with a button to control the 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