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CLASS 1 FILTERS
 Gas and vapour filters listed in this leaflet are designed for protection of human breathing system from toxic gases and toxic vapours as well.
To apply the filters with conformity with their design, the filters have to be mounted in respective filter pockets of a full face of half masks.
Filter pockets must got dimensions matching with filters overall dimensions, which are the follow:
Outside diameter - 77,5 mm
Height - 25 mm
Case material - plastic
Shelf life of gas filters in manufacturer packing is four (4) years
All filters meet the requirements of EN-141 Standard
Filter types:
| TYPE |
Case colour |
Application |
Colour code |
Weight (gr) appr. |
| A1 |
brown |
Organic gases and vapours |
|
50 |
| B1 |
grey |
Inorganic gases and vapours |
|
54 |
| E1 |
yellow |
Acid gases and vapours, CO2 |
|
70 |
| K1 |
green |
Ammonia and amines |
|
58 |
| A1B1E1K1 |
black |
Organic and inorganic gases and vapours, acid gases, SO2, ammonia and amines |
|
60 |
Examples:
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| TYPE OF WORKS |
CONTAMINATION |
TYPE OF PROTECTION |
| Spray painting with water paints or organic solvent- based ones - in open ventilated compartments |
Minute drops of aerosols and dissolvent vapours |
Two-filter MP-12/5 GAZ half-mask,
A1 filter and P1 dust filter |
| Paining with brush or roller. De-greasing, washing and glue working |
Dissolvent vapour |
Two-filter MP-12/5 GAZ half-mask,
A1 filter |
| Atomization of pesticides, high-pressure washing with washing agent additives |
Minute aerosol drops and pesticide vapours |
Two-filter MP-12/5 GAZ half-mask,
A1 filter and P2 dust filter |
| Welding |
Smoke and gases |
Two-filter MP-12/5 GAZ half-mask, E1 filter and P1 dust filter |
| Painting and washing with ammonia-based reparations. Works at refrigerating systems containing ammonia |
Ammonia |
Two-filter MP-12/5 GAZ half-mask, K1 filter |
| Works connected with usage of acids |
Chloride, sulphur dioxide, acid and non-organic gases |
Two-filter MP-12/5 GAZ half-mask, B1 or E1 filter |
| Work in chemical, refinery or related industries |
Gases and vapours, organic and non-organic sulphur dioxide and acid gases as well as ammonia and its derivatives |
Two-filter MP-12/5 GAZ half-mask, A1B1E1K1 filter |
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