Micro-Lined® vacuum bags are ideal for those who suffer from dust-related or allergic discomforts. Micro-Lined®vacuum bags are constructed with electrostatic Micro-Liner®which captures a wide range of dust particles including many pollens, spores, bacteria, dust mites and allergens. Micro-Lined®vacuum bags filter 99.7% efficient down to 5.0 microns and can capture particles as small as 0.1 micron.