The advanced Portable Dust Extractor from 3M allows for maximum dust extraction on-demand when connected compatible pneumatic or electric 3M Xtract Random Orbital sanders. High quality dual HEPA filters included to for a dust-free workspace. Features and Benefits Powerful industrial vacuum unit connects to 3M Xtract Random Orbital Sanders to remove dust from the work surface Automatic on/off compatibility with pneumatic and electric sanders Compact, sturdy design stands up to harsh industrial conditions Automatic filter clean without flow stoppage Quiet 69 dB(A) operation Front panel offers convenient access to controls and connections Optimal airflow: Maximum 74l/min (157 CFM) volume flow at the fan Optimal vacuum: 25.5 kPa (102 inches of H2O) at the fan Dual HEPA Filters Adjustable airflow volume: 35 liters (9 gallons) Typical Applications Metal fabrication Primer sanding Gel coat sanding Composite sanding Woodworking