Compatible Models - Pre-motor filter for 8000, ASKW4, ESKW4, FX8, AZE156. Designed for vacuum cleaner equipment. High filtration efficiency: The pre-motor filter features a multi-layer filtration system that captures up to 99.99% of particles, effectively filtering fine dust, reducing dust, pollen, and other allergens. Material: Made from high-quality materials for durability and long-lasting performance. Washable and reusable design ensures optimal dust collection capacity, helping maintain vacuum cleaner efficiency. Optimal filtration performance: Dirty or damaged filters can reduce suction and cleaning performance. Regular replacement helps prevent large dust particles from reaching the motor, extending the life of the vacuum cleaner. Washable and Reusable: This HEPA filter can be easily maintained; rinse with warm water and allow to air dry completely before reinstalling. For best results, replace the filter every 3-4 months. Material: Plastic. Color: As shown. Package Contents: 2 x Air outlet filter elements, 4 x Air inlet filter elements, 1 x Cleaning brush. Only the listed items are included; other products are not included. Note: Lighting and display settings may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3 cm.