Beurer LR200 Replacement Set filter for air purifier The Beurer Comfort Air Purifier and Humidifier Replacement Set Filter Pack features a pre-filter? activated carbon filter and a HEPA filter.The pre-filter captures dust? hairs? and small insects? the carbon filter capture gases? odours and heavy metals in the air and the HEPA filter ensures a majority of bacteria? viruses? mites and pollen are removed from the air.Extend the life of the LR200 purifier and humidifier by up to approximately 1000 hours. Beurer accessory replacement set LR 200Contents (Set of 2 pieces): 1 Pre-filter? Combination filterHEPA filter class E 12 and Activated carbon filterCompatibility with Beurer LR200 onlyFilter performance 99.5%