Ilto/Swegon Casa 250 F9 filter packet
Filter set including following filters:
2pcs G4 filter (mat), size 180 x 300 x 20
1pcs HEPA filter (panel), size 150 x 300 x 28
Better filtering capasity than normal filter, for example if you have bad allergy
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.