Main ingredient:non-woven fabric,meltblown fabric,hot air cotton. Filtration efficiency:non-oily particulate matter filtration rate more than 95%. Product storage:Storage temperature : 20 degrees-38 degrees,storage temperature less than 83%.Its should be stored in a well-ventilated,dark and dry enviroment and away from fire sources and pollutants. Validity:three years. Effective filtering, filtering dust and particles to help protect the airways; Rich, comfortable and breathable foam, good fixation, prevents movement; Passed certification, if you have any questions, please don't hesitate to contact us.
Trustpilot
1 week ago
3 weeks ago