Benefits Of High Efficiency Particulate Air Filters

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If you are suffering from allergy you may have wondered if purchasing a HEPA filter(High Efficiency Particulate Air) would help make your home or hospital more allergy free. What is HEPA filters and how do they work? Does combining an ionizer with the filter help? A little research will provide a wealth of information about how and why HEPA filters work and if purchasing one is right for you.

These types of filters are the most commonly used filters on the market today. They were originally developed for the military during World War II as part of the Manhattan Project, the same project that produced the atom bomb. HEPA filters consist of a sheet of glass-like paper that is in a V shaped pattern. The V's are separated by aluminum partitions in a corrugated pattern. They capture large particles and some smaller ones as well.

HEPA filters are the best defense one can purchase in the fight against allergies. They are designed to remove 99.7percent of particles in the air. They capture allergens such as mold spores, pollen and pet dander. They also capture air-borne viruses but do not neutralize them. HEPA filters ...
... are commonly used in hospital and medical facilities to prevent the spread of bacteria and viruses. Filters must be changed regularly to promote the best filtration possible.

Combining filters with Ionizers has become a common practice. Experts are now saying this is not a good idea. Ions produced by these machines are negatively charged which causes them to attach to the positive ions in the air. This causes the ions to become heavy resulting in them falling from the air. Inhaling ozone produced by these machines can actually irritate the lungs causing coughing, throat irritation, chest pain and shortness of breath.

HEPA filters can be expensive and require frequent replacement to provide maximum efficiency. The fans on some filters can be noisy. Filtration of large spaces is ineffective due to the fact that they rely on air flow. But despite these negative aspects experts agree they are the best defense against air-borne pollutants.

The market these types of filters is expanding as terrorist attacks and chemical warfare increase. The good news for the consumer is that competition in the market will continue to drive prices down, making them more affordable. It will also promote research and development of better filters. Consider purchasing a HEPA filter and provide a healthy atmosphere for your family.

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