Usage Tips:Compatible Models - Pre-motor filter for 8000, for ASKW4, ESKW4, FX8, AZE156. Perfectly suited for vacuum cleaner equipment. High filtration efficiency: The pre-motor filter adopts a multi-layer filtration system, which can remove up to 99.99% of particles, filter fine dust, reduce dust, pollen, etc. Durable Material: The vacuum cleaner filter is made of material, more durable and long lasting. Washable and optimal dust collection capacity, ensuring a of the vacuum cleaner. Optimal filtration performance: Dirty or damaged filters can affect the cleaning performance of your vacuum cleaner. Regular replacement of the filter can effectively filter dust, etc., prevent large dust particles from entering the motor, and the of the vacuum cleaner. Washable and Reusable: The HEPA filter allows you to easily carry out daily maintenance and cleaning, wash it with warm water and air dry it completely before use. To maintain the high performance of your vacuum cleaner, it is recommended to replace the filter every 3-4 months. Material: plastic colour: As Shown Package Contents: 2 x Air outlet filter elements 4 x air inlet filter elements 1 x cleaning brush Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.