Box of 50 PCS
Individually Wrapped
Made in Korea
What is KF94?
‘KF’ stands for ‘Korea Filter.’ ‘KF94’ blocks 94% or more of fine particles (average size of 0.4um).
It is approved by the Korean Ministry of Food and Drug Safety (MFDS)
and comparable to N95 and FFP2.
KF94 | FFP2 | N95 | |
---|---|---|---|
Standard | KMOEL-2017-64 | EN149-2001 | US NIOSH-42C FR84 |
Filter performance | ≥ 94% | ≥ 94% | ≥ 95% |
Test agent | NaCl and paraffin oil | NaCl and paraffin oil | NaCl |
Flow rate | 95 L/min | 95 L/min | 85 L/min |
Total inward leakage | ≤ 8% leakage(arithmetic mean) | ≤ 8% leakage(arithmetic mean) | N/A |
Inhalation resistance | ≤ 70 Pa(at 30 L/min) ≤ 240 Pa(at 95 L/min) |
≤ 70 Pa(at 30 L/min) ≤ 240 Pa(at 95 L/min) ≤ 500 Pa(clogging) |
≤ 343 Pa |
Flow rate | Varies | Varies | 85 L/min |
Exhalation resistance | ≤ 300 Pa | ≤ 300 Pa | ≤ 245 Pa |
Flow rate | 160 L/min | 160 L/min | 85 L/min |
Exhalation valve leakage requirement | Visual inspection after 300 L/min for 30 sec |
NA | Leak rate ≤ 30ml/min |
Force applied | N/A | N/A | -245 Pa |
CO2 clearance requirement | ≤ 1% | ≤ 1% | N/A |
※ Reference from https://multimedia.3m.com