RD40 thread connection according to EN 148-1, Universal among all respiratory protection devices.

Activated carbons
The quality of the activated carbons used by BLS for the filtration of gases and vapours meets high standards of safety ensuring excellent filtration performances. They are produced without toxic additives such as Hexavalent Chromium (Cr VI) and they are food grade certified (REGVE231/2017).

Colour codes
? A Organic gases and vapours with boiling point > 65 ° C
? AX Organic gases and vapours with boiling point = 65 ° C
? B Inorganic gases and vapours (e.g. chlorine, hydrogen sulfide, hydrogen cyanide)
? E Acid gases and vapours (e.g. sulfur dioxide, hydrogen chloride)
? K Ammonia and derivatives
? Hg Mercury vapour
P Particles, mists, fumes

Compatible with

• BLS SGE46 Half Masks
• BLS 5000 Full Face Masks (5150, 5400)