This Q7 Max+ filter is made of high-density quality material, can attach 99.97% particles as small as 0.3-micron in size, such as dust, dirt, pet dander, hair and etc.
To improve the Q7 Max vacuum peak performance, it's better to replace hepa filter every 3-6 months or depends on your usage.
It is easy to be replaced and installed on robot vacuums, Snap into place for quick and effortless routine replacement without tools.