Resumen
Sweat evacuating device for surgical masks, FFP2 and/or FFP3 consisting of a flat piece folded into 3 sheets: - a first sheet (21) 1-2 mm thick and 1.5-2 cm high; - a second sheet (22) 2-3 mm thick and 1-1.5 cm high; - a third sheet (23) 2-3 mm thick and 1-1.5 cm high, forming a V with the second sheet (22), the maximum width of said V being 6-8 mm; where the first sheet (21) and the second sheet (22) are parallel or form an angle of less than 10 degrees. (Machine-translation by Google Translate, not legally binding)