EPA

Inferior to both HEPA and ULPA.

E10

• EN 1822:H11 and ISO 29463 - , Retention: ≥ 85%

E11

• EN 1822:E11 and ISO 29463 ISO 15E, Retention: ≥ 95%
• EN 1822:E11 and ISO 29463 ISO 20E, Retention: ≥ 99%

E12

• EN 1822:E12 and ISO 29463 ISO 25E, Retention: ≥ 99.5%
• EN 1822:E12 and ISO 29463 ISO 30E, Retention: ≥ 99.9%