The AV 2 HEPA filter features an outer stainless steel housing & micro fiber glass paper filter material which is separated with a corrugated aluminium sheet encased with a steel protective screen.
All HEPA filters manufactured by Air Systems feature an efficiency rating of 99.97 percent @ 0.3 microns (minimum). The filters are also tested with HOT DOP methods at 100CFM, UL586 certified, max. 1 inch resistance. All motors include a 2 year warranty.
All of Air System's Electrical HEPA Vacuums are compliant with the EPA's (RRP) Renovation, Repair and Painting Standards (40CFR - Part 745 - Subpart E)