Researchmoz added Most up-to-date research on "Air Care Market (Electric Air Fresheners, Candle Air Fresheners, Liquid Air Fresheners, Gel Air Fresheners, Spray/Aerosol Air Fresheners) - Global Industry

Do you know why the cylinder of the air cleaner is long? This is same reason as AI speakers(cortana, kakao, line and etc). Proper cylinders provide better performance.