Harper XSILENCE Manuel De L'utilisation page 20

Clean the HEPA filter
In order to maitain the efficient performance of vaccum, the HEPA filter
should be cleaned regularly.
To clean the HEPA filter, firstly remove the grid outside the appliance,
then take out the filter behind the cleaner.
Clean the filter with the mini brush - Do not wash the HEPA filter,
it can't be wet.
MODEL NO.：XSILENCE
POWER: 1800W Max.
VOLTAGE: 220~240V
FREQUENCY: 50/60Hz
NET WEIGHT : 5.8Kg