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Hazel pollen, mold spores, toner dust and diesel soot caught on an IQAir air filter demonstrating the wide variety of common air pollutants and allergens.Download (Web-Res) Download (Hi-Res)
Diesel soot on filter fibers of a high-performance IQAir air cleaning system. The tiny soot particles are less than 1/10,000 of a millimeter. They are trapped on the fiber surface by a combination of three different physical effects.Download (Web-Res) Download (Hi-Res)
A common mold spore magnified 60,000 times. Mold spores are ubiquitous in the biosphere and are a common component of household and workplace air and dust.Download (Web-Res) Download (Hi-Res)
Dog hair with much smaller particulate matter attached to it. Allergic reactions are not due to the hair itself but to the dried pet saliva, which flakes off and becomes airborne.Download (Web-Res) Download (Hi-Res)
Alder pollen, mold spores and diesel soot trapped in an IQAir filter fiber mesh.Download (Web-Res) Download (Hi-Res)
Laser toner particles on IQAir filter fibers. Laser toner particles are typically 8-10 micrometers in size. They can be released during the printing process or when toner cartridges are replaced.Download (Web-Res) Download (Hi-Res)
Mold spores trapped on filter fibers of an IQAir room air cleaning system. Mold spores can cause allergic reactions.Download (Web-Res) Download (Hi-Res)
Hazel pollen (large round object) and small clusters of laser toner particles on the point of a fixing pin (left vertical surface).Download (Web-Res) Download (Hi-Res)
House dust found in a cat owner’s home showing tiny skin scales with dried saliva, which can easily become airborne and can cause an allergic reaction within a matter of minutes in sensitized individuals.Download (Web-Res) Download (Hi-Res)
A single sugar crystal with a few tiny specks of laser toner, surrounded by pollen.Download (Web-Res) Download (Hi-Res)
Human hair and alder pollen. The diameter of human hair can vary between 17 and 180 micrometers.Download (Web-Res) Download (Hi-Res)