Filter FG I FG II FG III FG IV
Mean TMP [bar] 2.1 2.1 2.1 1.1
Process pauses 10 * 7 9 * 6*
flow decay [%] > 90 > 90 > 90 ~ 80%
Duration [days] 11 14 14 7
Media feed load [L/m²] 4,611 4,913 4,511 4,841
Virus reduction factor (R) [log10] 1.0 1.1 2.6 4.4
Virus breakthrough? yes yes yes yes