PPLICABLE MODEL - For CY18 CY22 CY23 CY24 CY25 CY26 CY27 CY28 DY75 DY77 DY78 MAIN FUNCTION - The filter adopts high-efficiency filtering materials, which can effectively filter dust and prevent large particles of dust from entering the motor, ensuring the long service life of the vacuum cleaner. EASY TO MAINTAIN - These re bonded vacuum components can be cleaned and reused, and it is recommended to replace them every 2-3 months to maintain the high-performance operation of the robot vacuum cleaner. Please note:There is a slight color difference or discrepancy in kind, please don't mind, thank you! Colour:As Shown Material:Plastic Package Contents: 6 * Hepa Filter 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.