Nasal Filters, 1 Pair Invisible Nose Filter Anti Air Pollution Pollen Allergy Nose Dust Filter with 8 Pairs Replacement Filters (S)
Brand: Symphonyw
Material: made of food grade silicone
Diameter: S: 7 mm / 0.27 inch, M: 9 mm / 0.35 inch, L: 11 mm / 0.43 inch
Double filter give you double protection.Offers relief from nasal allergies, allergic asthma, rhinitis, and sinusitis.
It can filter the haze, dust, exhaust, smoke, virus to give you a free breathing environment and away from the air pollution.
Package include: 1 Pair Of Nasal Filter Frames + 8 Pairs Replacement Filters