| On the other hand, these people who suffer from | | | | sophisticated and developed compared to filters |
| respiratory ailments most of the time have | | | | of ordinary air purifiers and air filters. The |
| trouble adjusting to such places. Sometimes | | | | specialized HEPA air purifiers can also be incredibly |
| pollution is too much for them to stand. Some | | | | efficient in filtering out harmful germs and |
| particulates in the atmosphere such as pollen and | | | | organisms such as bacteria, fungi and viruses. By |
| dust are also known to cause hypersensitive | | | | doing this, these specialized filters greatly reduce |
| reactions by the body or allergy. These can be in | | | | airborne particles and organisms. |
| form of asthma or sinusitis. It is also a well known | | | | The high efficient particle arresting air filters |
| fact that foul odors, dust particles, smoke and | | | | (HEPA) work in three different mechanisms; |
| pollen are major contributing factors to air | | | | 1. Interception- these is a mechanism whereby |
| pollution. These factors in turn lead to the | | | | the filters intercept and hold on to the particles in |
| development of unhealthy respiratory systems | | | | the atmosphere. |
| and other ailments more so in young people. | | | | 2. Impaction- adheres to tiny particles by the help |
| Necessity is the mother of inventions. Due to the | | | | of systemized air flow and certain sophisticated |
| above problems scientists came with viable | | | | filter fibers. |
| solutions. They have come up with healthy and | | | | 3. Diffusion- this one employs the concept of |
| efficient ways of preventing or minimizing the | | | | Brownian motion. This enables the particles to |
| amount of contaminated air inhaled by individuals. | | | | adhere or hold on tightly to the other two |
| One of these ways was the invention of the air | | | | mechanisms. |
| cleaners, and in particular the use of HEPA air | | | | Studies indicate that the HEPA air purifiers have |
| cleaners. HEPA is an abbreviation for high | | | | the capability of eliminating up to 99.7% of air |
| efficiency particle arresting. These are highly | | | | pollutants present in the atmosphere. In addition it |
| specialized air cleaners. They are commonly found | | | | is effective in eliminating foul odors, bad chemical |
| in households that are located in urban areas. | | | | smells and smoke particles. For these reasons air |
| HEPA air purifiers are designed to minimize | | | | purifiers have come in handy for many people |
| allergens and foul odors in the air. They are also | | | | with respiratory problems. These people no longer |
| efficient in eliminating pollutants that may cause | | | | have to visit the countryside in search of fresh |
| allergies and other respiratory ailments. | | | | air. HEPA air purifiers can be found in almost any |
| The HEPA air purifiers can be found in varying | | | | home improvement stores. They are also not |
| sizes and styles. One thing that makes HEPA | | | | very expensive. |
| outstanding and special is its filters. It has a highly | | | | |