Don't let particles of dust ruin your expensive electronics. The vacuum/blower cleaner includes a HEPA filter--99.97% effective in capturing particles of dust as small as 0.3 microns. Rather than simply redistributing dust, dirt and allergens, this machine makes sure they are captured and held in tightly sealed filter bag. Capable of handling cleaning jobs on a wide-range of machines--from micros to main frames, typewriters, calculators, copiers and laser printers. Equipped with a powerful 2-speed 1.7 HP motor. For safety, cleaner comes with an anti-static wrist-strap grounding the user from generating static. Power: 1.7 hp.