Compatible Model: The replacement parts are compatible with for E20/E20 Max/E25/E30/E31 robot vacuum cleaner. Effortless Maintenance: Replacing the replenishment kit every 2~3 months to keep your robot vacuum running at , depending on your usage frequency. Easy to Install: No tool needed, super easy to remove and assemble. Our accessories set contains all you need for routine replacement instead of having to order it separately. Colour:Blue+white Material:plastic Package Contents: 10 * HEPA Filters 8 * Side Brushes 2 * Main Brush 1 * 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.