Best Indoor Air Sterilizer –Function H13 HEPA Filter Killing Virus Filter
Most people living in an area or city where air pollution is a problem, the outdoor air pollution would easily become indoor air pollution. This is because air conditioner filters are not able to stop the chemicals that are in the air, nor many of the more dangerous sub-micron size particles as the pore sizes are too large, and every time the HVAC system turns on, it's bringing in that 'fresh' air. That means that whatever is outside, smog, pollution...