Breathing filters with standard thread, P3 RD, 1 piece

Acc. to EN 14387 (gas and combined filters) and EN 143 (particulate filters). With EN 148-1 standard thread. Filter casing made of aluminium. Can be combined with respiratory half masks and full-face masks with standard thread connection.
Max. storage life of unopened gas and combined filters is six years after production. AX and NO filters are only intended for single use.