Crucial Vacuum 9 Hoover WindTunnel HEPA Style CLOTH Type Y Vacuum Bags - Allergen filtration with Closure - Compare With Hoover Part # 4010100Y, 4010801Y and 43655082; Designed & Engineered Crucial Vacuum Brand CLOTH 9-Pack Allergen Filtration Vacuum Bags Fits ALL Hoover Vacuum Cleaners that take Style Y Bags These cloth bags trap more of the dust inside 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 absolutely essential for Allergy Sufferers! 99.97% Allergen Filtration Designed and Developed in the USA by Crucial Vacuum