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