Carbon filter PDD 10L Famous, PDD 8519 Famous & PDD 85200 Famous. This high performance activated carbon filter removes odors, smoke, chemicals from cigarette smoke and many exhaust pollutants from the air entering the dehumidifier. A must for allergy and asthma sufferers, this filter is lab tested to trap 99.97% of harmful airborne particles, bacteria, germs and pollutants. The filter must be changed every 3-4 months depending on the pollutants in the application area, it can ensure up to a year of use. You should be extra careful when it comes to filter maintenance. It should be cleaned every five days. It is not washable. Supplied in nylon packaging. Dimensions Height, Length, Width: 217x193x4 mm Contains 3 carbon filters.