Filtrete Hoover S MicroAllergen Bags， 3 Bags Per Pack<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Nullify</li><li>Imported</li><li>Micro allergen filtration</li><li>Change bag every 30 to 60 days for optimum performance</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41pGeqhlhnL.jpg" noproxy>