• Includes 100 disposable nasal filters designed to protect the nasal cavity against external particles. • Made of high-quality sponge material, soft to the touch, odorless and comfortable for prolonged use. • Each filter has approximate dimensions of 4 x 1.1 x 1.8 cm, adapting versatilely to the nostrils. • Multi-functional use: ideal for welding, construction, painting, spray tanning and pollen protection environments. • Effective and discrete design that helps block inhalation of dust, mist and allergens in difficult conditions. • Simple and safe application: they are manually inserted into the nostrils and must be discarded after use.