Mammoth Air Purifier HEPA Carbon Filter (5 Stage, Classic Purifier);

Mammoth IceTech 3in1 Filter for Mammoth Classic includes PreFilter, HEPA Filter, and Carbon Filter built into one. This is the new filter system that combines all filters into a single filter that's easy to change and clean. Since the filter has a builtin prefilter, simply brush off any large, dusty particles built up over the filter. There is no need to use water or any cleaning chemical. Because the filter has a builtin carbon filter and a 99.97% efficient HEPA filter, the Mammoth Classic Replacement filter should be replaced every 6 months. This filter is OEM Mammoth filter.