Product Care

PRODUCT CARE

• Hand washing is recommended; washing machine is not recommended, same as with all other N95 masks, the nature of a washing machine risks damage and/or degradation much faster in filtration efficiency of the middle polypropylene paper filtration layer, washing machine will wear down the masks much faster reducing overall longevity of masks

• Gentle hand washing; dap surfaces with sponge or soft cloth with soap and water or soapy water, avoid soaking mask to help maintain middle polypropylene paper filtration layers longevity, filtration efficiency and structural integrity, dry completely before use, air dry with fan to greatly reduce dry time, drying machine can be used to dry, as well (if elastic straps become frayed at ends, a very quick pass of a lighter, than immediately press and flatten ends with fingers will fix and secure frayed ends)

• DO NOT USE ALCOHOL, BLEACH OR DISINFECTANTS; alcohol will eliminate electrostatic charges and degrade filtration efficiency, while bleach and disinfectants will leave residue releasing toxic fumes

• To recharge electrostatic fibers and reactivate activated carbon; once dried, drying machine can be used to reactivate activated carbon layer and recharge electrostatic fibers. NOTE: DO NOT USE DRYER SHEETS, as these will eliminate the electrostatic charges in fabrics

• If cross contamination in drying machine is a concern 1) dry masks alone 2) disinfect inside surfaces with alcohol, bleach or disinfectants 3) or leave dryer door opened unused for 72 hours, as SARS-CoV-2 typically becomes noninfectious after 72 hours

• Sterilization healthy safe option; clean masks' surface with soap and water or spray with 3% hydrogen peroxide or wash in conjunction with H2O2, as H2O2 (hydrogen and oxygen) is non toxic and safe, dry completely before use, reheat with drying machine to reactivate carbon and recharge electrostatic fibers

• Several new studies have found an effective method for sterilization of N95 respirator masks is low temp with high humidity; about 158 degrees F (70 Celsius) with 75-85% relative humidity for 30 mis; too high of heat can deform many manufactured N95 masks, while too high of humidity is also counter effective 1) preheat oven to 158*F 2) use a container (plastic OK) with lid and a make shift rack/shelf inside container with a rag/paper towel/absorbant media and soak with water 3) heat container for 15 mins bringing RH to 75-85%, adjust water amount to reach RH 4) place mask in container with lid for 30 mins 5) remove container, place mask on lid and heat for another 10-15 to completely dry moisture. **CAUTION: if you chose to attempt this method of sterilization, please use a separate temperature gauge [and hygrometer for RH%] to accurately read oven temperatures, as many oven gauges may not be accurate

• Keeping filtration efficiency; keep mask dry as possible (moisture from breath OK) at all time when in use, if mask becomes overly wet or soaked (particularly middle filtration layer), stop usage and dry completely before reuse, reheat if possible