BLS 400 Universal

Filters with RD40 universal connection
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Series models

RD40 connection
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


Code Model Protection class Color Download
8011013 BLS 401 P3 R Downloads
8011002 BLS 411 A2 Downloads
8011023 BLS 412 AX Downloads
8011005 BLS 413 K2 Downloads
8011016 BLS 414 ABE2 Downloads
8011007 BLS 415 ABEK2 Downloads
8011008 BLS 421 A2P3 R Downloads
8011024 BLS 422 AXP3 NR Downloads
8011017 BLS 423 (1) ABE2P3 R Downloads
8011022 BLS 424 ABEK1P3 R Downloads
8011012 BLS 425 (1) ABEK2P3 R Downloads
8011014 BLS 430 (1) ABEK2HgP3 R Downloads


(1) questi filtri non possono essere usati con semimaschere perché il loro peso è maggiore di 300 g

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