Every purifier, by the room it really cleans

Sorted biggest first. Highlighted is the real coverage at 4.8 air changes an hour with a 2.5 m ceiling; struck through is what the box says.

See how big they are, drawn to the same scale

Figures last checked 1 Nov 2026

Verified CADR 17

Not independently verified 9

The CADR here is the maker's own claim. We show the maths, but we don't make these a pick until the figure is verified.