Air purifiers for allergies, 41-50 m2 room, CADR rating 400-499 m3/h

Allergy sufferers should use an air purifier that is powerful enough to drag all of the air in the room through the filter a minimum of 4 times an hour (ACH) for it to be genuinely effective.  To get around 4 air changes per hour in your room measuring between 41 and 50 m2  you need an air purifier with a clean air delivery rate (CADR) in the range of 400-499 m3/h.

Below is the selection of suitable air purifiers tailored to meet your needs and sorted by price in ascending order.