FILTERS
Particle Filters : for half and full mask are divided into three classes depending on how effectively they can separate dust . Colour code - White
Protection Classes With Respect to Efficiency
EN 143
P1 R/NR Solid & Wet Particles 1 80%
P2 R/NR Solid & Wet Particles 1 94%
P3 R/NR Solid & Wet Particles 1 99.5%
| Filter Type | Protect Against | Colour Code |
| A | Organic gases/Vapors with a boiling point above 65°C eg. solvent naphtha, toluene, styrene & xylene | |
| B | Inorganic gases/vapors such as chlorine Hydrogen cyanide and hydrogen sulfide | |
| E | Acidic gases/vapors such as Sulphur dioxide and formic acids | |
| K | Ammonia and certain amines | |
| ABEK | Should be applicable for all above gases | |
Protection against organic , Inorganic and acid gases & Vapors and ammonia & derivatives class2 dusts
