Hoover Type Z Allergen Bag (9-Pack), 4010100Z 9 Genuine Hoover Z Allergen Filtration Bags 3 packages Three Bags in each package A Must-have for allergy sufferers Fits all Hoover uprights using Type Z bags including: Power Drive, Dimension, Dirt Finder, Auto Drive, Turbo Power 3500, 3700,4500,500, 600,700, Power Max, Breath Easy, and Caddy Vac. Product Built to North American Electrical Standards