You must be familiar, not with the eruption of the mountain erupted? Yes, usually when a mountain disaster erupts then there is a burst of volcanic material as far as 17 km to the top causing widespread dust spread which can cause respiratory distress. Respiratory disorders resulting from volcanic ash may begin coughing, shortness of breath, respiratory distress to respiratory infections. To anticipate the impact of volcanic ash it is endeavored to use an N95 type mask, you can get it at https://homepractical.com/best-dust-mask/. So, what distinguishes N95 masks with ordinary masks? The exterior N95 type masks are made of fabric and inside are made of materials such as styrofoam, so there is no air coming in.
N95 masks can be up to two to three days, whereas if the usual mask is recommended every four hours should be replaced. If on a regular mask, when breathing water vapor there is a sign that it can not be used. Regarding the duration of its use, the lifespan of the respirator with the N Series, R Series, and P Series codes is determined based on cleanliness, damage, and breathing comfort when the respirator is used. If the respirator is damaged, dirty, or makes it difficult for you to breathe, the respirator should be replaced immediately. N Series, R Series, and P Series filtered respirators are fitted to cover the face and are equipped with efficient tools to filter harmful particles in the air, even small particles. If used correctly, the respirator is able to filter air particles up to 0.3 microns that may contain viruses and bacteria and keep your mouth and nose.
When viewed from the design, filter class, and function, respirator with the code filter N Series, R Series, and P Series, of course, different from the face mask made from paper or cloth as is usually worn by doctors during surgery. Where the face mask usually feels loose and does not stick to the face when used.