| If you suffer from a dog allergy,
a HEPA filter is a great tool in your fight against dog allergens. A HEPA filter
is a High-Efficiency Particulate Air filter which is incredibly effective and
can filter out 99.97% of air contaminants down to the minuscule size of 0.3 microns
in size. To put that into context, pollens are usually between ten and one hundred
microns in size and normal household dust is from 0.5 and 5 microns. The size
of the air contaminants is important because the smaller they are, the more problems
they can cause for asthmatics and allergy sufferers. Small air contaminants such
as pollens and dog and cat allergens are blown around easily and are also small
enough to easily penetrate the lungs and nasal passages.
The first HEPA
filter was launched in the 1940s and they are composed of a mat of randomly arranged
fibers that effectively trap the particles moving through it. The filter itself
must be washed and/or replaced regularly so always follow the manufacturers instructions
for optimum performance.
So, the HEPA air filter is a valuable tool
for all allergy sufferers as it effectively filters out the dander and allergens
that provoke those troublesome symptoms. Some vacuum cleaners have a built-in
HEPA filter to ensure that the air that is blown out of the cleaner is free from
dust and allergens. |
