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HEPA Air Purifiers 2017 লেবেল থাকা পোস্টগুলি দেখানো হচ্ছে

Ionic Air Purifiers - Effective Or Dangerous?

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Ionic air purifiers work differently than air purifiers using filters. Also known as Ozone air purifiers or Ion air cleaners, they disperse negatively charged ions into the air which causes particles such as pollen, dust and dust mites, mold spores, bacteria, pet dander and smoke as well as airborne chemicals to attach to one another . These new particles become heavier and settle on surfaces where they can simply be cleaned off. This leaves you with pure air to breathe, however you will need to clean surfaces in your home regularly. An ion is a small charge of either positively or negatively charged static electricity. We breathe air charged with ions constantly. An ion air cleaner reduces the amount of positive ions in the air and increases the amount of negative ions. Negative ions give a clean a refreshing feeling to the air such as after rain or a lightning storm, whereas high levels of positive ions in the air can create a heavy atmosphere such as is often evident before ...

HEPA Air Purifiers - Filter Technology Explained

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HEPA filters are very popular these days. In fact, they may be one of the most commonly used air filtration filters used in American homes. Originally used by the military and medical professions, HEPA filters are extremely effective, capable to remove as much as 99.97% of all particles as small as .03 microns from the air we breath. HEPA, which stands for High Efficiency Particulate Air was developed in the 1940's by the Atomic Energy Commissions to capture radioactive dust. Today, they are used primarily to help clean dust, pollens and other allergens from the air we breathe inside of our homes and offices. Made of a paper-like glass fiber sheet pleated in a "V" pattern with corrugated aluminum separators between the pleats, HEPA filters are bonded onto a sturdy base, forming the core of the filter. The main drawback of the system is that the filters must be periodically changed for best results since the particles do become captured within it and can cause ...