**0m3/h air exchange program for the whole house with large air volume solves 4 major air problems at one time. **5m2 large space, three strong filtration, one is enough.
Quiet, open source, suitable for *4 - hour use.
Multiple intelligent control, good air at a glance.Adopt advanced noise-reduction design, and add one- energy-saving function, power saving and consumption reduction, and bring mute guardian as low as *5dB(A)*.
