Hoover AH10170 Type SB Allergen auto-seal bags are designed for the Hoover inSIGHT vacuum (model 261532), the CH50100 Bagged Upright, and the EH50100 Commercial-Profile upright. The auto-seal mechanism closes the bag opening automatically when the bag is removed, reducing the amount of fine dust released during disposal. Sold 10 per package. These are genuine OEM Hoover bags for the compatible models listed.