Filters are normally very crucial equipments in protection against entry of germs and harmful substances. There are close to seven different types of filters, and out of these, n95 respirators are preferred most of the times. They offer up to ninety five percent efficiency in the filtering of particles. It, therefore, means that only a small number of molecules can penetrate into the body of its wearer. However, this product is not capable of allowing oil particles to pass through it. Hence, blocking them from getting into contact with the wearer.

All molecules are usually taken through the respirators and unwanted elements are retained. The particles that remain are allowed to reach the wearer. During the manufacture n95 filters, cotton, plastic, glass and other special materials are combined. These are considered the best materials for retaining unwanted molecules. They are commonly preferred because of their ability to be easily disposed. Besides this, they are cheaper as compared to other filters.

There are various ways techniques involved in preventing particles that are not required. Firstly, the flow of air is restricted to one radius. This way, only small particles will penetrate the filter. Larger particles are not capable of following a curving contour. A movement similar Brownian motion also helps in preventing of harmful particles from passing through the respirator. There are also some special waxes, resins and plastics used for the purpose of coating the respirator. These create an electrostatic force that retains the unwanted particles.

Further restriction of entry is fostered by the reduction of the speed of the air going through the respirator. To arrive at this, the appearance and slope of each filter is altered to make a bigger surface area. Thus, preventing molecules traveling at a low speed is easier compared to those moving at a higher speed.

It has never been advisable to share one n95 filter. This is a precautionary measure to prevent transfer of germs from one person to another as a result of contamination on the respirator. Everyone should, therefore, use his/her own as a precaution. This way, chances of coming into contact with harmful particles are minimal.

For this product to be efficient, the user must ensure that is very fitting on his/her face. Tightness is attainable through the adjustment of the straps. He/she must at the same time ensure that the respirator is comfortable on his/her face. They can as well use a dressing mirror to ensure that it is properly fitting.

The name n95 is deliberately assigned to these devices to refer to the fact that testing shows that the item prevents up to 95% of harmful elements. However, with appropriate wearing, they can attain an efficiency that is slightly higher than the standard one. The high efficiency should not, however, serve a confirmation of complete protection from coming into contact with contaminated substances. This is due to the fact that some harmful elements will pass through the respirator and reach the body of the user. People who have had cases of respiratory problems in the past should see their doctors prior to using these products.

There are no fitting n95 filter for minors and people whose faces are hairy. This happens due to the fact that their faces cannot allow the respirators to fit tightly on them. The effectiveness of these gadgets when they are used by these categories of people is, therefore, reduced.