Q: What is the difference between P1, P2 and P3 respirators?
A: This refers to the filtering efficiency a respirator. P1 - for use against mechanically generated particles, P2 - for use against mechanically & thermally generated particles and P3 - for use against all particles including highly toxic. P1 stops 80% of particles, P2 stops 94% and P3 stops 99.95%.
Q: What do the letters on my filter cartridges mean (e.g. A1B1E1)?
A: These letters and numbers refer to the filter type and class.
A - Organics (solvents)
B - Inorganics & acid gases (chlorines ect.)
E - SO2 and other acid gases
G - Agricultural chemicals (low vapour pressure)
K - Ammonia
Hg - Mercury
1 - low to medium absorption capacity
2 - medium absorption capacity
3 - high absorption capacity
If you're unsure which filter is right for you, contact customer service.
