Air filters function on the basic principle of absorption of catalytic action that can aid removal of particulate matter, odours, gases and other pollutants. This is made of fibrous materials that can trap particulate matter or air ionisers which have
Ventilation, in the simplest of terms, is the process of flushing out stale air and replacing it with fresh air. Good ventilation is necessary not just for breathing, because it affects oxygen levels directly, but also as the oxygen levels