Compatible with Festool CT22 Vacuum – Reusable Self-Clean Dust Filter Bag with Zipper (Replacement for 452970, 3-Pack) Upgrade your dust collection system with these premium reusable filter bags compatible with Festool CT22 dust extractors. Made of high-quality non-woven material, they provide superior filtration, durability, and airflow compared to disposable paper bags. Each bag features a SelfClean design that helps maintain continuous suction power by releasing fine dust during operation. The built-in zipper allows for quick and mess-free emptying, saving time and reducing waste. Designed as a cost-effective and eco-friendly alternative to Festool part #452970, these reusable filter bags deliver reliable performance for woodworking, construction, and workshop use. Keep your workspace clean, efficient, and sustainable with this 3-pack of compatible CT22 reusable dust filter bags—the smart choice for performance and value.