Universal connection
Standard threaded RD40 connection according to EN 148-1, Universal for respiratory protective devices.

Activated carbon
The quality of activated carbon used by BLS for gas and vapour filtration meets high safety standards and guarantees excellent filtration performance. They are produced without using toxic additives such as Hexavalent Chromium (Cr VI) and are food grade certified (REGVE231/2017).

Colour codes
◉ A Organic gases and vapours with boiling points > 65 °C
◉ AX Organic gases and vapours with boiling point ≤ 65 °C
◉ B Inorganic gases and vapours (e.g. chlorine, hydrogen sulphide, hydrogen cyanide)
◉ E Acidic gases and vapours (e.g. sulphur dioxide, hydrochloric acid)
◉ K Ammonia and derivatives
◉ Hg Mercury vapours
P Particles, mists, fumes
◉ NO Nitrous gases
◉ CO Carbon monoxide
◉ Reaktor Radioactive iodine, including radioactive iodomethane

Compatible with

• BLS semi-masks SGE46
• BLS 5000 Universal full masks (5150, 5400)
• BLS 3000 full masks (3150, 3150V)

Notes

⁽¹⁾ these filters cannot be used with half-masks because their weight is greater than 300 g