Filtering half-mask for aerosol protection of the 3M brand VFlex series: model 9163SV protection class FFP3 NR D

Filtering half-mask of third efficiency class (FFP3) with exhalation valve having a polyisoprene membrane, which is attached to the top of the valve body and opens from below, directing exhaled air only downwards and sideways, through special slots in the exhalation valve cover.
The half-mask has a two-panel construction with a horizontal thermal seam between the upper and lower panels and lugs protruding from the sides for positioning the half-mask on the user's face.
In the design of the half-mask panels there are horizontal and diagonal two-line thermal seams, located mirror to the central fold, which provide additional protection to the half-mask from collapsing on the face.
The half-mask has a small size out of two manufactured (standard and small), has double elastic bands made of polyisoprene of white colour, which are fixed to the side ears of the half-mask by steel staples. An aluminium nose clip, hidden inside the top panel and allows the edge of the top panel of the half-mask to be held tightly...