3M Xtract Portable Dust Extractor, 64256, 9 Gallon/35 Liter, Industrial Vacuum with Automatic Filter Clean Without Flow Stoppage, HEPA Filter, Compatibility with Pneumatic and Electric Sanders , Black - Amazon.com
Bosch 9 Gallon Corded Wet/Dry Dust Extractor Vacuum with Auto Filter Clean and HEPA Filter VAC090AH - The Home Depot
Mobile dust extractors
Festool ETS 125 REQ Random Orbital Sander & CT Dust Extractor Packages - Lee Valley Tools