Regularly replace parts to maintain, extending the vacuum ' s lifespans The main roller brush is make of ABS, tough and enduring, delicate and soft to the touch, effectively helping the sweeping robot clean the floor Suitable for vacuum cleaners AV2820S, AV2820XEUS, AV2820AE, AV282BVEUS, RV2800AE, RV2800S, RV2800XTUS, RV2800AECA, RV2820YE, RV2820ZE AV2800ZE Package Includes: 2pcs Roller Brushes Easily stuck in place for quick and easy daily replacements without any additional tools