Features: Comfortable, Fleece màsks shell； Inner cover material: Non-woven, activated carbon; Aluminium nose clip Rapid Airflow Valve System Filter material: activated Carbon - Premium grade particulate filtration Earloop hook&loop Benefits: Replaceable filter element Hanging Ear Design keep the dust màsks from slipping Nearly Zero Air Obstruction Active carbon filters isolate 99-percent of pollen, dust and particulates The mesh dust màsks shell can be washed when they get dirty HOW TO USE: 1.Place the màsks on the face and find a comfortable place between the bridge of the nose and thin. 2.Màsks fixed through the Velcro. 3.Adjust the nose clip by hand to acomfortable position. 4.Check if it is appropriate: cover your face with your hands, then breath hard and feel if there is air flow. Make sure you are comfortable after wearing this màsks by adjusting the back if the Velcro. Packing: 1 × Dust màsk （come with 2 pair of valves and one filter） 1 × Extra Carbon Filters How to stop your glasses from fogging up? Adjust the bend in that aluminum nose strip carefully in case has a poor fit. Slow down your breathing is most effective instead of faster breathing.
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