Channel filter FKY is preferably used in the ventilation and air conditioning as coarse filter classes G2 to G4. At low air velocities in the channel (up to 2 m / s) is usually sufficient to plan construction FK LS. At higher speeds, you should resort to the angle constructed FKs. The filter frame inside simply by exchanging the mat renewed easily and conveniently. Partly fabric filters are used as regenerable media on request. We like to advise you which product is useful for your application.