New Proteam MegaVac Maintenance Pack.This maintenance pack includes 20 Genuine Bags for the MegaVac (The bags are Disposable and designed to keep dust and allergens inside of your vacuum.). 1 Micron Cloth filter (The cloth filter is reusable and washable, the Micron also helps collect airborne particles and helps improve air quality as well.) and 1 round Hepa filter (HEPA filtration is 99.98% effective at keeping dust and allergens out of the air. This filters down to .3 microns and is washable.).