We offer discount for large quantity. Welcome to with us! Features:For ILIFE A6 A4 A4s robotic vacuum cleanerReplace the filter and side brushes once per month or twice for high performance, depending on your usageTo replace for ILIFE A6 A4 A4s Robotic Vacuum Cleaner Filters, follow these steps:1.Take out the dirt bin.2.Remove the filter on the dirt bin and throw it away.3.Put a new filter into the dirt bin.4.Put the dirt bin back into its slot on top of the robot.Color: black + whiteMaterial: ABSPackage Included 6 x High Efficiency Filters6 x Sponges6 x Side Brushes(left&right)Only the above package content, other products are not included.Note: Light shooting 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.