Nasal filter, consisting of two parallel tubes joined by a strip in its lower area, characterized in that the tubes are cellulose acetate, covered externally by a thin layer of light plastic, presenting in the perimeter of the lower ends a flange covered with adhesive tape. (Machine-translation by Google Translate, not legally binding)1. Filtro nasal, constituido a partir de dos tubos paralelos unidos por una tira en su zona inferior, caracterizado porque los tubos son de acetato de celulosa, cubiertos exteriormente por una capa fina de plástico ligero, presentando en la zona perimetral de los extremos inferiores un reborde recubierto con esparadrapo.
