An excellent and economical H13 HEPA (High Efficiency Particulate Air) filtered ESD safe option for servicing and cleaning static sensitive equipment such as wind turbines, electronics, computers, copiers, printers, pharmaceutical, data centers, ATM’s, robotics and hazardous particulate It is portable and lightweight, weighing only 4 pounds The 500 watt motor has tremendous cleaning power which produces 79 CFM It is ESD safe with its static path to ground and includes a built-in electronic line filter to minimize EMI/RFI noise emissions This vacuum features a one quart immediate containment HEPA filter cartridge The one quart HEPA filter is 99.97% efficient at .3 micron and includes three layers of 56 pleat media The three layers consist of one cellulose layer and two glass layers The HEPA filter cartridge captures everything from dust and debris to hazardous particulate Air Flow 79 CFM Dimensions 12" L x 6.25" W x 7.25" H Hose Inside Diameter 1" Hose Outside Diameter 1.25" Includes Express Safety Vac by Atrix, Detachable Power Cord, Crevice Tool Brush, Safe Round Brush, Safe Crevice Tool, Safe Flexible Gooseneck Tool, Safe 6’ Stretch Hose, HEPA Filtration Filter Cartridge, Door Plug Manufacturer's Warranty 18 Month Limited Tank Capacity 0.25 US Gal. (0.94 Litres) Type Dry Voltage 120 V Wattage 500 W Weight 4.1 lbs.