The prototype is a air purifier CG 306 model with small fan and charcoal filter. Perfect to use in street, bussiness and public spaces like airport, subway, market, etc. Air purifying respirators are those that filter the ambient air with the help of specific filters, removing gases, vapors, aerosols. Filters can be chemical or mechanical or a combination of the two.
Everybody need use mask but it´s difficult for many people because breathing difficult. So developed something simple with materials avaliable in my home. The data use to prove a great number of death in Brazil cause covid-19. Use a CG 306 respirator with chemical filters e tree coolers or fan removed of a unused computer ant two battery. Two fan to do come in air through of the filter and one fan to do out air through the valve. Unfortunately we don´t have a air sensor to obtain a airflow value while the fan on but perceived is a improvement air circulation into respirator while using it a consequent improvement a breathing.
Use a image that show a great number died and reduced economic activity . According Sedac Nasa Covid-19 Statics for Brazil 28 834 people died and 498 440 confirmed cases. Probaly many of these people don´t use a protect equipament maybe to feel breathing difficulty. The virus big spread April and May and spread a long way to go. For to break stay-home police the people must keep mask use, the more time too mainly in public local. Our project it is possible the people use mask comfort and can use for a long time.