Description:It's 4 layer PM2.5 air mask breathing filters.Replace the fliters every week of uses,but need to according to your actual situation.Protect your mouth and face from gases, noxious smells, pollen, smoke, dust and other harmful particles. Cover the face from nose to chin, provide a secure, comfortable fit for adult(man,women)size, no worry of coming off your ears.Wide Usage: surgical, dentist, salon, medical sick masks, flu face masks, cold wind, auto exhaust, dust, allergen protect masks, Germs, Allergies, Chemicals ,Smoke, Ash, Pollen,Gardening,Travel, etc. Kindly Notes:Please allow little color difference due to different camera or light environment.Please allow slight size deviation due to manual measurement.Would you encounter any problems, please email to us and we will try our best to meet your satisfaction! If you are satisfied with our service and product, you kindly 5 stars positive feedback will be highly appreciated.Hope you have a pleasant shopping experience. Thank you very much!
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