Hkoenig SWRC120 Manuel D'utilisation page 15

B. Open the dust container side cover
C. to take out the dust container
D. Open the high efficiency filter
E. Open the high-efficiency filter and take out the
high-efficiency filter and the primary filter, it is not
recommended to clean the high-efficiency filter with
water. Tap gently to remove dust.
F. Rinse the primary filter