Assigned protection factors
| APF | Device |
|---|---|
| For details on devices see BSI4 or HSE.6 | |
| 4 | ½ masks with P1 filters, FFP1, FFGasP1, FMP1 |
| 10 | ½ masks with P2 filters, FFP2, FFGasP2, FFGasP3, FFGas, FMP2, FMGP3, FMGas |
| ½ masks with gas and combined filters | |
| Full masks with gas and vapour and combined filters | |
| Powered hoods or masks TH1 or TM1 | |
| ½ mask fresh air hose BA | |
| Light duty airline LDH1 BA | |
| 20 | ½ masks with P3 filters, FFP3, FMP3 Full mask P3 and combined P3 Powered hoods or masks TH2 or TM2 Light duty airline mask or hoods LDM1, LDM2, LDH2 BA ½ mask continuous flow airline BA |
| 40 | Full masks with P3 filters |
| Powered hoods, blouses, or masks TH3 or TM3 | |
| Full masks or hoods, fresh air hose BA | |
| Light duty airline hoods LDH3 BA | |
| Constant flow airline hoods, blasting helmets, or full masks BA | |
| Negative pressure demand full mask BA | |
| 200 | Air fed suit BA |
| 2,000 | Positive pressure demand full mask BA |