1 piece of fan coil filter, filtration class G4/EU4, matching the ventilation central units KLIMOR KCX 300, produced untill 2014. Filters should be replaced minimum in 3 months intervals. Remove the front panel of the KCX AHU in order to remove the filter. Remove four masking caps and four screws and then remove the front panel. Hold the panel handles at the same time. Filters are replacement of original filters. Names of producers and brands were used for better product identification. Image shown is for illustration purposes only.