Perfectly compatible with Roomba i, e j series, E3 E5 E6 E7 i7 i7and / i7 Plus j7 i6 i8 i3 i3and i4 Plus 3150 vacuum cleaner side brush Hepa filter vacuum brush bristles.Made; to from materials to high strength eco-friendly, it can remove hair, debris or particles help to remove dust other particles in the air.Includes 1 set of brushes. bristles 4 side brushes 4 filters 4 screws 1 brush cleaning toolIf the side brushes are bent due to transport, simply soak them in warm water for a while time to collect them.Replace the robot's filter to maintain optimal cleaning performanceFeatures Get everything you need to improve the robot's cleaning performance keep Roomba on. its optimal performance. Compatible with Roomba i, e j series filters thanks to the an innovative filter design, dramatically increases the capture of dust, pollen, pet der allergens. The innovative debris extractor with counter-rotation can break down lift debris, while the brushless design requires almost no maintenance. The value kit includes free extra screws, easy to install. install remove, you can use them for a long time. Package includes 4 x i7 series side brushes 4 x HEPA series filters 2 x extractors 4 x extra screws 1x cleaning brush tips Replace rotating side brush filter every 2-3 months (depending on the frequency of use) Cleaning of the suction roller is set. every 3 to 4 4 cycles If the bristles of the side brush are tangled due to transportation, please soak them in warm water/hot water for a while