Are you in need of an air purifier for pollen, allergen, smoke, gas or dander? Determine the contaminant you want the air purifier to remove and which meet your health worries. This will assist you in selecting the right system since manufacturers make certain air filters to remove certain contaminants. So read our review and you will know what you need).
The filter efficiency
You can use the particle size that the air purifier captures to measure its efficiency. For example, sizes below 0.3 microns are a better capture sizes for air purifiers. Mold, pollen, dust mites, pet dander and bacteria are usually within the range of 0.5 and 0.3 microns and the best air purifiers can trap the contaminants or things with a size above 0.3 microns.