TYPE IIR EN 14683 3 Ply Nonwoven Spunbond Material 1.Layer Spunbond , 21cm, 30gr 2.Layer Pp Meltblown,17,5cm, 25gr 3.Layer Spunbond , 21cm, 30gr ISO10002,ISO13485,ISO45001,ISO9001-14001, Test results and certifications are available Manufactured by latest version of German Weber machines The requirements and standarts apply to equipment intended for use in Residential (domestic) environment Commercial and light industrial environment Industrial Environment Medical Environment