Innovative filter shape. The main filter has a special TripleV shape with a particularly large surface. As a result, it can catch many dust particles and offer a higher filter performance. The advantages are less rapid clogging and a long filter service life. The filter is suitable for dust class M, i.e. for hazardous dust such as wood dust and mineral dust. TripleV: Specially developed main filter in the TripleV shape with particularly large filter surface for less rapid clogging and longer service life. Quick filter replacement: The main filter can be easily removed and installed without any tools. Healthier work: > 99.9% filtration in dust class M. Filtering of airborne dust from the air, e.g. wood dust or mineral dust. Maximised filter surface.. Can be replaced without the need for tools.. High degree of filtration. Specially developed main filter in the TripleV shape with a particularly large filter surface in the smallest of spaces. For less rapid clogging and a longer service life.. The main filter is easily accessible, and simple to remove and insert.. For dust of dust class M that is hazardous to health, with limit values > 0.1 mg/m³. Efficiently filters wood dust and mineral dust. Degree of filtration > 99.9%. Special TripleV shape. Easy to change. Dust class M. Maximum filter surface in the smallest of spaces. For less rapid clogging and a longer service life.. Quick, easy and tool-free.. For dust of dust class M that is hazardous to health, with limit values > 0.1 mg/m³. Efficiently filters wood dust and mineral dust. Degree of filtration > 99.9%. special filter for the SYS-AIR air purifier in dust class M. for SYS-AIR M