Perfectpro x size 4 filters use advanced microfiber filtration (amf) with 10x thinner fibers to create an almost impenetrable barrier for pollution particles with less resistance than typical hvac filters. Iqair’s hyperhepa technology has been tested and proven to filter biological contaminants, bacteria¹, and viruses² in their airborne state. Perfect 16 size 3 filters use advanced microfiber filtration (amf) with 10x thinner fibers to create an almost impenetrable barrier for pollution particles with less resistance than typical hvac filters. Our experts are ready to help Visit our clean air experience center Efficiency is rated at ≥ 55% at ≥ 0.3 microns (en 779 class f8).
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