This is the product's overall performance score, based on key tests conducted by our industry experts in the CHOICE labs.

When [Unethical Info] was looking at air purifiers a while back, their eye fell on a Xiaomi 4 Pro, with a purchase ... tag stuck to the filter inside the air purifier that had been keeping track ...

[Flamingo-Tech] was having none of it when they needed a new filter for their Xiaomi air purifier so they set out to fool it into thinking there was a genuine replacement fresh from the box.