Disposable MASKFACE PFF-3S CF CV Mask
The MASKFACE PFF-3S CF CV disposable mask (with slit and with valve) is an air-purifying respirator of the filtering half-face type for particles. The mask has a foldable shell shape and features ultrasonic welding along its entire perimeter. It also includes an exhalation valve, ultrasonically welded to the mask. The mask's external side is white.
Mask layers
The mask consists of the following layers (from outer to inner):
The elastic strap is fixed on the sides of the mask through two slits, one on each side, for the elastic to pass through, forming two bands (lower and upper). At the end of the strap, there is a device for adjusting the respirator to the user’s face. The upper part of the mask features a moldable nose clip embedded between the layers, used to fit the user’s nasal bridge.
The inscriptions "SBPR / CA Number / Class / Lot" are marked on the external side of the mask, along with the INMETRO/BV_OCP seal.
CLASS AND USE OF THE MASK
Classification: PFF-3S (Filtering half-face respirator for particles, class 3).
Use: Designed to retain particulates such as dust, mists, fumes, and radionuclides, as well as crystalline silica, asbestos, and certain biological agents in aerosol form, providing respiratory protection to the user.
S: PFF recommended only for use against solid and water-based liquid particles.
The APF (Assigned Protection Factor) of this mask is 10.
MAXIMUM CONCENTRATION OF USE