Compatible with : For iRobot Roomba i7 i7+ E5 E6 E7 robot vacuum cleaner.The iRobot Roomba vacuum cleaner accessories are high quality. It is made of high-strength and environmental friendly materials.High-efficiency filter maintain cleaning while reducing infiltration of dust, pollen and other allergens.Replacement frequency:multi-surface brush roll (every 3 months)and filters (every 1 month)and the side brushes(every half month), it is depending on your frequency of use.colour: as shownMaterial: plastic
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.