Medical three-layer mask for single use

Medical three-layer mask for single use, colour: white, with nasal clamp; colour: blue, with nasal clamp A product covering the nose and mouth of a medical worker and protecting him/her from airborne microorganisms entering the respiratory tract during surgery or patient examination. It is made of porous material that does not interfere with normal breathing or cloth/gauze. It is secured to the head with ties or clasps. Disposable.
Design: with elastic band
Number of layers: ? 3 pieces
Number of pieces in the package: ? 50 pieces