The main filter coated with PTFE is suitable for vacuuming fine dust and coarse dirt of dust classes L and M. For efficient, clean work with reduced hazards to health for extractors with Autoclean function. The filter can be cleaned better due to the coating, and also gets clogged less quickly. Autoclean-appropriate Simplified cleaning For vacuuming mineral and wood dusts Filters class L and M dust Flat fluted filter with restraint value of 99.9% main filter optimised for cleaning with PTFE coating Filters residual dust not retained by the filter bag so that clean air is directed back into the room high-performance main filter for vacuuming very fine dusts posing a medium hazard in dust classes L and M for CT AC, VCP 260 AC, 360 AC, 480 AC