Extra Filter for M90 Respirator

The filter NP381 filter protects against all 
known chemical and biological warfare agents,
as well as:

Nuclear
 Radioactive solid and liquid particles.
Biological
Bacteria and virus.
Chemical
Organic gases like Sarin, VX, Mustard gas, Tabun. Inorganic gases like Cyanide, Phosgene
NP381 filter is made of high mechanical strength black polymer, and the weight is 280 gram.
NP381 filter is vacuum packed in aluminium foil, which gives a minimum shelf life of 20 years in sealed package.

NP381 NBC filter is the same as Sundström NBC
filter 381, tested and verified according to NATO NBC standard. Sundström NBC filter 381, is in service by the Norwegian and Swedish Armed Forces.