11
HEPA filter of outlet air
HEPA filter is installed behind the air outlet grid. It can’t be washed
because of the materials used. If the surface is severely jammed with dust
the filter needs to be replaced with a new one to maintain the sufficient suction
force. Average working period for this filter is no less than 12 months.
1. Turn the cover of the HEPA filter
clockwise.
2. Pull the cover.
3. Take out the HEPA filter.