3M Filtrete Hoover Type Y and Type Z Cloth Vacuum 4 Pack<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>4 3M Filtrete Hoover Type Y and Type Z Cloth Vacuum Bags</li><li>Filtrete Vacuum Bags are guaranteed to be free from defects in material and workmandship</li><li>Filtrete Vacuum Bags help trap 99.97% of all airborne pollutants 0.3 microns or larger， including mold spores， pet dander， grass and ragweed pollen</li><li>Filtrete media contains electrostatically charged fibers that work like magnets to attract and capture particles</li><li>Vacuum Bags should be replaced every 30 to 60 days for optimium performance</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41xRQwM5szL.jpg" noproxy>