AirPOP Replacement Filters 4-pack
Each AirPop Original and Active replaceable filter, when properly cleaned and maintained, will continue performing at >98% filter efficiency for at least 40 hours of wear time.
To achieve this all replaceable filters should be cleaned with 70% alcohol for a minimum of 20 seconds and dried naturally >24 hours.Skin Friendly:
The materials used in all AirPop masks are tested to DIN ISO 10993-5 2009-10 by an independent lab and are certified as hypoallergenic, non-toxic, and skin-friendly. All tests were conducted by Hohenstein Institute.Filtration technology: