Refresh your Hoover Self-Propelled WindTunnel or Upright U5433-906 with the CleanUp CU936S Synthetic Dust Bags—an economical three-pack of genuine Type Y replacements that capture fine dust, pollen, and pet dander without choking airflow. Each multi-layer synthetic liner holds its shape as the bag fills, preserving suction and motor efficiency, while the built-in allergen filtration safeguards asthma and hay-fever sufferers. Simply swap in a fresh bag when the old one reaches about 80 percent capacity to maintain peak performance and keep carpets and hard floors spotless. Packaged in recyclable materials for a lighter eco-footprint, these long-lasting bags deliver superior Hoover-approved quality at a price that won’t vacuum your wallet.