Elements potentially harmful to the respiratory system may include: smoke, aerosols containing suspected harmful chemicals, or microorganisms. MUSKI™ is designed to protect the face and eyes. It prevents the penetration of unfiltered air from outside. Inhaled air enters only via the mask filters.
Effectiveness: It is recommended that MUSKI™ be worn until the wearer has left the contaminated area. See FAQ section (“For how long can Muski™ Protect Me?)
WARNING: MUSKI™ is not intended as a subsitute for conventional gas masks!!!

The transparent plastic material forming the hood of the mask has been tested and proven effective against penetration of Mustard Gas for six hours . (This is not necessarily applicable to the filter).

The effectiveness of the filter against micro-organisms has been tested by the Department of Biology at the University of Ferrara in Italy.
12 different microorganisms were tested showing effective results of filtering properties between 94.5% - 100%.
(For Full Microbial Test- press here)

(For above article published in International Journal of Disaster Medicine - press here)

The filter is made up of four different layers; each layer is described below. (Note that characteristics not mentioned as tested and proven, should not be attributed to the filter).

* The frontal filter layer is made from viscose strengthened by polyester fibers 150 gr/sq. m. It contains 0.3% Cetylpyridinium Chloride (CPC) as an antiseptic that neutralizes bacteria that may enter through the filter. This layer acts as a pre-filter against large particles.

* A second layer filters particles of 0.3 microns or more, tested for air permeability by the Fraizer Air Permeability Method, - 55cfm/sf at 0.5" water gage.

*A third layer is made of Polyester non-woven material, thickness: 1.2 mm, containing active charcoal in a concentration of 114 gr. out of a total of 200 gr. Sq/m. - 57% wintended to reject air pollution and gas flow, both in dynamic or static conditions. Active charcoal is described as follows in professional literature:
 

"activated charcoal are used as purifying and decolorizing agents, for the removal of residual gases in low pressure apparatus, and in respirators as a protection against toxic gases." Tests were conducted on this layer conforming to Standard SAE J 726 / ISO 12103/A Coarse Grade Test Dust, with the following results: With airflow of 10 cub. ft. per minute for 15 minutes containing 16.0 gr. of dust, out of which 14.6 gr. (91.25%) were absorbed by the charcoal layer.

*A fourth layer similar to the first layer.

The high filtering capability of the filters can create difficulty in exhalation, therefore MUSKI™ has a one-directional exhalation valve that facilitates exhalation through the mask. This valve closes when exhalation ceases.

For Technical Data Sheet press here

WARNING! Properties not mentioned as tested & proven above,
should not be attributed to MUSKI™.