Bosch Industrial Vacuum Cleaner 21L Gas 12-25 PL Enhanced consistent suction power from innovative filter cleaning technology. Patented Bosch filter cleaning technology improves the consistency of suction power, reducing the frequency of manual filter cleaning H13 HEPA filter captures 99.95% of fine dust particles (>0.3 micron) Increased lifetime of the main filter with a large surface pre-filter Technical Details: Max. input power: 1,250 W Weight: 9 kg Container volume, net: 21 l Dust class of wet/dry extractor: L Rated input power: 1,250 W Container volume, gross: 25 l Container volume, net, water: 15 l Dust bag volume, net: 20 l Dust class: L Filter surface area: 2,300 cm² Max. airflow rate (turbine): 65 l/s Max. vacuum pressure (turbine): 200 mbar Wheels, number: 4