NilanE / EC / EC 9 filter packet.
Filter set including following filters:
1pcs G4 filter (mat), size 262 x 300 mm
1pcs F7 filter (panel), size 262 x 300 x 25 mm
Label attach in panel filter were inform with arrow air flow direction, it will help to install panel filter to right way.
Sufficient filter change intervals are important for indoor air quality.
The recommended replacement interval is at least twice a year, in spring and autumn.
It is also good to cleaning the machine when changing the filters.