|
Respirator type
|
NIOSH nomenclature
|
EN nomenclature
|
Minimum filtration capacity for particles > 0.3 microns
|
OSHA APF
|
EN Standard APF
|
|---|
|
Face filtering respirator
| |
FFP1
|
80%
| |
4 fold
|
| |
FFP2
|
94%
| |
10 fold
|
|
N95
| |
95%
|
10 fold
| |
|
N99
|
FFP3
|
99%
|
10 fold
|
20 fold
|
|
P100
| |
99.97%
|
10 fold
|
20 fold
|
|
Air-purifying respirator (APR)
|
APR half facepiece
|
APR half facepiece
|
As per selected filter
|
10
|
10
|
|
Air-purifying respirator (APR)
|
APR full facepiece
|
APR full facepiece
|
As per selected filter;
|
10–50
|
10–50
|
|
Powered air-purifying respirator (PAPR)
|
PAPR half facepiece
|
PAPR half facepiece
|
99.97%
|
50
|
50
|
|
PAPR full facepiece
|
PAPR full facepiece
|
99.97%
|
1000
|
1000
|
|
PAPR helmet/hood
|
PAPR helmet/hood
|
99.97%
|
25–1000
|
25–1000
|
|
Loose-fitting facepiece
|
Loose-fitting facepiece
|
99.97%
|
25
|
25
|
- Explanation: Please note: “Minimum filtration capacity tends to be a unified measure for any and all particles whether biological or particulate”
