●Compatible with: iRobot Roomba i7 i7+ j7 j7+ E5 E6 I3 brush "Aftermarket Brush". Roomba and other accessories are not included ●Compatible products: Recommended for those thinking of replacing consumables. Regularly replace brushes for efficient cleaning and keeping your home clean at all times ●Aero Brush: Vacuum air flow construction absorbs invisible fine debris, preventing hair and other tangles. Thoroughly cleans dirt and dust ●Usage time: Made of high quality rubber, it can break down the trash strongly Replace once every 2-3 months, depends on the usage of cleaning ●Set Includes: Brush x 1 pair, Rumba model number