Dyson Supersonic HD01 Operating Manual page 22

Cleaning
Ensure that you unplug your appliance from the
mains electricity supply before cleaning your filter.
1
Hold the handle of your
appliance firmly and
rotate the filter cage
anti-clockwise.
22
2
Pull down and away
from the appliance.
Use a lint-free cloth or
soft brush to remove
any dust or debris from
both the filter cage and
the filter mesh.