Fit Model: Fit for iRobot Roomba I & E & J Series i4+(4550 4552) i7+(7550)/i7 i3+(3550) i6+(6550) i8+(8550) E5(5150) E6(6198) j7+ (7550) plus Vacuum Cleaner. Filters maintain for Roomba's cleaning performance while reducing infiltration of dust, pollen and otherallergens into the air you breathe. Durable Material: These replacement parts are made of high quality plastic, Compatible and work just like the original one, The side brush will not scratch the floor and furniture, greatly ensure the safety and cleaning effect during the process of the use. Easy to Maintain: These relacement vacuum parts can washable and reusable. If the side brushes are bent or curled due to shipping, please recover them by simply soaking them in warm water for several minutes. It is suggested to replace the replacement parts every 2-4 months to keep your Robotic cleaner working with high-performance. Material:plastic colour:As Shown Package Contents: 1 sets x Dual Multi-Surface Rubber Brushes 4 x Side Brushes 3 x Filters 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.