3. Remove the old filter. (c)
(c)
4. Remove the packaging material of the new filter. (d)
(d)
5.
Put the new filter back into the air purifier. (e)
(e)
6. Turn the base cover clockwise from OPEN position to LOCK position.
You will hear a click sound; the base cover will be fastened. (f)
(f)
7. Plug the air purifier back into a power point and switch it on again. (g)
(g)