Important Vacuum Brand CLOTH 9-Pack Allergen Filtration Vacuum Bags Fits ALL Hoover Vacuum Cleaners that take Style Y Bags. These fabric bags trap more of the dust in the vacuum bag, so you your air is cleaner! Fits Hoover WindTunnel and Tempo Uprights Type Y; Replaces Hoover Part # 4010100Y, 4010801Y and 43655082. If you have allergies, these bags are unqualifiedly essential for Allergy Sufferers! 99.97% Allergen Filtration. This is a generic product designed and engineered in the United States by Major Vacuum. This is not a Hoover OEM product and is not covered under any Hoover manufacturer's warranty. Please check your manufacturers warranty with regard to the use of non-OEM parts. Crucial Vacuum provides no pledge or guarantee with regard to the product or its compatibility with your Hoover product. Any use of Crucial Vacuum non-OEM products in your Hoover product is done at your own risk. The Hoover brand names and logos are the registered trademarks of their pertinent owners. Any use of the Hoover brand name or model designation for this product is made solely for purposes of demonstrating compatibility.