Cartridge panel filters are being made of a special fiber blend having a controlled and renewable properties and its structure is very enduring. The protection case around it is being placed there having the purpose of protecting its filtering properties from the strokes.

The cartidge panel filters are the filters of classes G2 (EU2) – G3 (EU3) – G4 (EU4) – F5 (EU5) – F6 (EU6). The cartridge filters are being prouced as cellulose based and as fiber glass based. The standart cartridge filters are of cellulose or synthetic basis at the temperatures until 1000 C, wheras at the temperatures exceeding 1000 C, fiber glass based aliminium cased sartridge filters must be used. The cartridge filters are being widely used in ventilation and dying systems.