Cleanstar Vac Bag 5pk Synthetic ‑ Hoover 4000X are premium synthetic vacuum bags designed to fit Hoover 2000X, 3000X, 4000X and similar models. Made from durable synthetic material with multiple layers and a rubber membrane, they deliver high‑efficiency dust and debris capture, improved airflow, and longer lasting performance compared with standard paper bags. Perfect for household and commercial cleaning, these bags help maintain strong suction and make routine bag changes quick and hygienic.