DESC: The SBC360 can carry up to 3 full quarts of dust and dirt. Most dust bags and even dust cups cannot carry that much dirt without needing to constantly replace or clean out their bags.HEPA filters can eliminate up to 99.97% of particles as small as 0.3 microns. They can remove dust, pollens, mold sports, dust mites, and other allergens that can cause unfavorable reactions to those with allergies, asthma, and other respiratory ailments.