The reason is that air system is unlike air filter device, which can judge that whether the system need change filter core parts.
The filter also need to change with a not cheap cost in a short time.
It is therefore important to have a home air purifier manufacturer that allows your home to bring in fresh air and expel contaminated air.
Fresh air system is an energy-saving, healthy, comfortable controlled ventilation system, it axial exhaust fan can provide filtered oxygen-enriched air into indoor .
But in the face of these health killers, how can we protect ourselves? Many people think of the installation of fresh air system.without hesitation.