Invisible Nasal Filter Ultra Breathable Nasal Filters Nasal Filters Nose Plugs for Smells Air Filtration from Pollen black

Feature: 1. The use of food grade high quality raw materials, safe, non toxic and harmless, men, women and children can rest assured to wear. 2. Activated carbon and electrostatic filter double conservation, and can be used freely, suitable for people with high air quality requirements. 3. Applicable scene: suitable for formaldehyde, benzene, secondhand smoke, automobile exhaust, haze and other harsh environment and heavy pollution weather conservation. 4. Family mixed size package, each with a pair of S and M L sizes, with a built in filter and an additional two pairs of replacement packages. 5. Easy to carry, equipped with mini storage box, easy to wear at any time when you are away from home, there is no need to worry that there is no pl