The Von Arx S2 is a single-phase HEPA dust extractor for small to medium grinders, scarifiers, shot blasters and saws. Two 1200 W motors pull dust through a three-step filtration process, JetPuls cleans the HEPA H13 filter without opening the unit, and dust collects in a Longopac bag. About 400 m³/h air flow (235 cfm), about 52 kg. Von Arx S2.