【Compatibility】Specifically designed for SEBO Felix Dart UltraBag Vacuum Cleaner Paper Dust Bags ，Compatible with Windsor Axcess - Flexamatic 12" 15" and Karcher CV300 - CV380 Upright Vacuum. Part 86333980 86284790 , ensuring a perfect fit and optimal performance. 【High-Quality Material】 Made from durable, high-efficiency filter material to trap dust and allergens effectively, keeping your home cleaner and healthier. 【Easy to Replace】 Simple and quick to install, making it convenient to maintain your vacuum cleaner without any hassle. 【Improved Airflow】 Engineered to maintain strong suction power and airflow, ensuring your vacuum cleaner operates at peak efficiency. 【Eco-Friendly】Reusable and washable options available, reducing waste and providing a cost-effective solution for long-term use.