The two of us have terrible dust irritations as well as the two of us suffered a great deal from the time that we were young until now. These dust irritations last throughout the entire year. The two of us moved to a historic Place riddled with a bunch of Oak as well as pine trees. It seems that the dust irritations from these particular plant I have absolutely Peak to an entirely different level. In the very first place where I lived, I was updating all of the air filters constantly. The next place had window AC cooling units and did not have a central air conditioner. It was absolutely challenging to control most of the air quality due to window air conditioning parts that only fit each component. The window air conditioners each have air filters and they have to be opened up in order to find the filter that will work out best. I absolutely hope that there are sizes of HEPA air filters that will work out with those machines. The two of us do not suppose there is power that can improve the indoor air quality throughout the whole apartment but the stand alone air purifier really does improve most of the air quality as well as get rid of dust irritations. The two of us now realize that the air purification plant is complex but an essential machine that is necessary. The two of us suffer from the dust irritations so improving the indoor air quality with better air filters is one way that we can substantially increase our health.