Reusability of P3 Facial Filter in a Pandemic Emergency: A 3D Analysis of Filter Microstructure with X-ray Microtomography Images after Dry Heat and UV Sterilization Procedures.
Luca BorroMassimiliano RaponiAndrea Del FattoreFranco ZaniniFrancesca di LilloAdriano ContilloVeronica BordonaroEleonora Di PiazzaAlberto Eugenio TozziAurelio SecinaroPublished in: International journal of environmental research and public health (2022)
Dry heat and UV sterilization processes do not substantially alter the morphometry of the P3 filter samples' internal microstructure, as studied with micro-CT. The current study suggests that safe P3 filter facepiece reusability is theoretically feasible and should be further investigated.