Scania K230UB (COMET MAXI) Interior – Negative Pressure HEPA Filter Unit [Photo: MANBSP] Scania K230UB (COMET MAXI) Interior – Negative Pressure HEPA Filter Unit [Photo: MANBSP] Scania K230UB (COMET MAXI) Interior – Negative Pressure HEPA Filter Unit [Photo: MANBSP]