The certified HEPA Wet/Dry Vacuum meets EPA lead-safe requirements. A Wunderbag Micro pre-filter captures particles as small as 0.5 microns, so the finer HEPA filter can deal with particles down to 0.3 microns. An internal baffle protects the HEPA filter during wet operation. Optional HEPA Head carpet head with beater bar also available. Dustless Technologies | 800.568.3949 | dustlesstechnologies.com