Filter class FFP1 according to EN 149, very ergonomically shaped from three-layer special non-woven fabric with intermediate layer of microfine filter wadding, plastic mesh shell, sealing lip made of skin-friendly material in the nose area, elastic all-round strap with clip and with exhalation valve. The grid shell gives the masks excellent dimensional stability and makes them insensitive to soiling, use up to 4x MAK value. Box of 20.