Many, many years ago, long, long before our grandmothers and fathers were even around, when it was a really, really, sweltering hot day, folks would bring out their manual fans and start fanning themselves with the intention of cooling themselves down. But how laborious this exercise turned out to be. It did not seem to help matters much. So, years later, after the Second World War as the country entered a period known as the era of the nuclear family, really clever scientists invented and developed the electric fan. This was great, and it was what everyone was looking for. But as the years wore on, they became a little tired of the machine’s groaning noises. And it was discovered that this electric fan was not really as effective as it was intended to be. Also, giant air conditioning units, also extremely noisy, had a bad habit of collecting far too much dust and dirt, so much so that it really did not do too much for keeping the internal air clean and fresh. But this far into the twenty first century, look how far we have come. Modern technologies abound, and no sooner had we turned our backs, yet another awesome energy saving effective device had been developed. Air filtering media suppliers are today working around the clock to bring you some of the most effective and sustainable air cleaning and cooling systems known to mankind. Not only do these units keep your rooms a lot cooler during those sweltering hot summer months, they also keep your air one hundred percent clean. For as long as these filters are in operation, those unseen dust particles and harmful pollutants are being kept at bay, keeping your children and pets disease free.