Portable Double HEPA Filter Air Purifier for Home Office Indoor, KJ800FK15B

Low Noise, peace of mind sleeping Automatically lower fan speed to reduce noise level; Suitable for quiet, healthy sleep Double filter design, double boost intake double output clean air Effective adsorption of formaldehyde, minimum blocking particles 0.02 microns (100 times smaller than the upper limit of PM2.5) Accurate detection intuitive digital display - PM1.0 real-time display 360-degree bottom caster wheel design - easy free to move Humanization design - Chind lock, Anti fall off switch