The DIRIN 230 series includes antigas class 2 filters, combined class 2-P2 and 2-P3 Biostop filters built with screw-in connector EN 148/1.
The container is made of syntetic resin or light alloy.
They can be fitted on SELECTA full face masks
Dust Filters EN 143:
DlRlN 230 P3 R BIOSTOP, dust, fumes and mists (including radioactive), toxic and very toxic (8 pcs.)
Gas and Combined Filters EN 14387:
DlRlN 230 A2 COMPACT, organic gases and vapours;
DIRIN 230 A2-B2-E2-K2-P3 R D BIOSTOP, polyvalent
All class P3 filters are provided with BIOSTOP paper, blocking the growth of fungi and moulds