มีประจุลบดักจับมลภาวะทางอากาศต่าง ๆ Commonly, Air purifier companies will reveal the CADR for contaminants like tobacco smoke, dust or pollen. As an example, a pollen CADR of a hundred twenty five ensures that the air purifier can eliminate pollen and supply one hundred twenty five cubic ft of cleanse air per minute. https://www.mannature.com/products/detail/airpurifier