BS EN 143:2000
Respiratory protective devices. Particle filters. Requirements, testing, marking
https://doi.org/10.3403/01980065 (published 15/06/2000)
BS EN 143:2000 is maintained by PH/4. This standard is available from the following sources:
Other historical versions of this standard document also exist:
- BS EN 143:2000 [current until 16/04/2021]
- BS EN 143:1991 [current until 15/06/2000]