Ilto 270 K F9 filter packet
Filter set including following filters:
2pcs G4 filter (mat), size 180 x 400 x 20
1pcs F9 filter (panel), size 195 x 405 x 25
Better filtering capasity than normal F7 class, for example if you have bad allergy
Fitting also Ilto 280 and 290 model!
Label attach in panel filter were inform with arrow air flow direction, it will help to install panel filter to right way.
Filters change interval is shorter than the normal filter package, due to better filtering of the panel filter.