Premium cap with spring for adult mask. Made in Portugal, this mask is reusable and has recently been certified for a number of washes up to 100 times, without compromising protection performance. Its particle filtration capacity is greater than 90% and is certified as Level 2, according to the technical specifications required and verified by the CTCP – nº BA 4224/2020. Standard used EN 14683:2019 Type I. By using the mask you will minimize the risk of contamination of the environment, as it allows you to contain the respiratory particles expelled through speech, coughing or sneezing.