filters A2B2P3 R D NBC DIRIN 500
Dirin 500 AB2P3 NBC is a combined filter equipped with a standard threaded connector according to EN 148-1. Dirin 500 AB2P3 NBC is derived from NBC military filters used in NATO countries, i.e. shape and size are similar to the M58 filter used by the Italian Armed forces for NBC applications and the charcoal used is the same which is specifically homologated for this purpose by the Italian Army.