Swegon Casa W3/W4 SMART BU-F filter.
Filter set including following filters:
1pcs G3 filter (mat), size 207x354mm
1pcs Firend filter (mat), size 350x196mm
1pcs F7 filter (panel), size 195x351x24mm
Label attach in panel filter were inform with arrow air flow direction, it will help to install panel filter to right way.
Machine manufacture recommend that filter will change at least as follows:
Matfilters every 12 month
Panelfilter every 12 month