The filter kit includes all air filters needed for the machine. A clean ventilation filter plays an important role in the quality of the home and the efficiency of the ventilation unit. Indoor air filters keep the indoor air clean and filter out air impurities, unpleasant odors and pollen. Good ventilation can create a healthy and living comfort indoor air in an energy efficient way. It is recommended that the filters be replaced twice a year to maintain their filtration power. Replace the filters regularly, for example, in the spring when the pollen season begins and in the fall when the first frost begins. Package includes the following filters, EPM1 55% (F7) 286 306 115, contains integrated coarse filters (1 piece), coars (G4) 295 501 (1 pcs)
