This feature is only available on some models.
Replace the air filter:
Approximately every 12 months.
When the Replace icon lights up.
To purchase the air filter:
Visit your local dealer or distributor or contact the LG Electronics Customer Information Centre. For further assistance, visit our website at lg.com
If the Replace icon is lit on the control panel, replace the air filter.
Hold and remove the filter cover by rotating it counterclockwise.

Remove the filter inside the cover and replace it with a new air filter.

Insert the filter cover by rotating it clockwise.

To reset the filter replacement period, press and hold the Pure N Fresh button on the control panel for more than 3 seconds. The Replace icon on the control panel will turn off.
If you wash the filter with water, the filter performance may also deteriorate.
Caution should be taken not to change the direction of the filter to be inserted into the filter cover.