The exhaust fan installed in it uses a motor to turn its blades which function to pull the air out of the space. Wet strength, porosity, particle retention and volumetric flow rate are the parameters of the filter paper which are useful in this process. Using the three components in the purifier model, the air can be made fresh and appropriate to breathe. If you also believe that the children of today are creating a path for a glorious future and want to spread their innovative ideas, then please share this video. Young students can share such innovative projects of their own and make the country proud!