3M 3-Bag Hoover K MicroAllergen Vacuum Bag by Filtrete<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Contains 3 vacuum bags</li><li>Fits HOOVER Spirit (S3410 Series) Canisters</li><li>Replaces Hoover 4010100K and 4010028K bag</li><li>Replace bag every 30 to 60 days for optimum performance</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41otuARvs1L.jpg" noproxy>