These are brand new Multi-Purpose Gas Mask Filters. When used with a gas mask, it can remove harmful gases, vapors and solid particles from inhaled air. While many customers are happy with military surplus gas mask filters, some prefer a filter that is current. We were told by Mestel Safety that their filters are great against the effects of radioactive fallout.
Multi Purpose Gas Mask Filter (Mestel)
This filter is designed to protect the end user from every known threat. The filter type category is A2B2E2K2P3 which protects against:
A (Brown) Organic gases and vapours with boiling point greater than 65 degrees C (maximum 5000ppm permissible concentration)
B (Grey) Inorganic gases and vapours, e.h. chlorine, hydrogen sulphide, hydrogen cyanide, but not carbon monoxide. (maximum 5000ppm permissible concentration)
E (Yellow) Sulphur dioxide, hydrogen chloride and other acid gases (maximum 5000ppm permissible concentration)
K (Green) Ammonia and organic ammonia derivatives (maximum 5000ppm permissible concentration)
Hg-P3 (Red/White) Mercury
The performance of this filter complies with EN 141, 143, and 371 as well as other regulations.