In order to install the carbon filter, the grease filter should
be detached first. Press the lock and pull it downward.
(Carbon filter is NOT included, need to order it separately.)
Fix carbon filter into the unit and turn it in clockwise
direction. Repeat the same on the other side.(Carbon filter is
NOT included, need to order it separately.)
Suggest changing to new one every 3
months (According to different kitchen condition, the life time of
carbon filter might be longer or shorter than 3 months).
(Carbon filter is NOT included, need to order it separately.)