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AllerAir's Medical Grade True HEPA H13 filters are Made in the USA and are ISO 29463.
ISO 29463 is the newest of many HEPA classification standards. AllerAir's HEPA filters not only conform to ISO 29463, Group ISO35H but also to European Standard EN 1822, Class H13, and USA Mil STD 282 for HEPA filters (99.97% at 0.3 micron removal).
For best filtration and the healthiest environment, it is recommended to routinely clean/change your AllerAir filters on a regular basis.
Typically, a unit is run constantly (24*7, 365 days a year) on low to medium. With standard environmental contaminants and usage, it is recommend to change the filters as follows:
Pre Filters
UV lamp (If needed)
Allerair recommends that HEPA and Carbon be changed together for optimal performance
*Please Take note that the above estimated time periods all vary and depend, based on your usage and the odors/contaminants in your space. However, the above is best used as an estimate and general guideline.
Tips for When Filters Need to be Changed
Pre Filters
UV lamp (If needed)
Allerair recommends that HEPA and Carbon be changed together for optimal performance
*Please Take note that the above estimated time periods all vary and depend, based on your usage and the odors/contaminants in your space. However, the above is best used as an estimate and general guideline.