Air purifiers for allergies, 31-40 m2 room, CADR rating 300-399 m3/h, night mode
Allergy sufferers should use an air purifier that is powerful enough to drag all of the air in the room through the filtera minimum of 4 times an hour(ACH) for it to be genuinely effective. To get around 4 air changes per hour in your room measuringbetween 31 and 40 m2 you need an air purifier with a clean air delivery rate (CADR)in the range of300-399 m3/h.
For abedroom or baby room, you may want to use a quieter air purifier that comes with "night" mode. Air purifiers with "night" mode run quietly in the background allowing you to enjoy clean air while you sleep.
Below is the selection of suitable air purifiers tailored to meet your needs and sorted by price in ascending order.