[Compatibility]] : Compatible for Coredy R3500, R3500S, Coredy R550, R500, R500 + (2nd generation dust container), R580, R600, R700, R750, R650. Does NOT fit Coredy R500 + 1st Generation Dust Bin. Please check the model before ordering![Compatibility] : Compatible for Goovi D380, D382 (Goovi 1600PA), Goovi by ONSON F007C (Goovi 2000PA), Goovi by ONSON J10C (Goovi 2100PA), iMartine C800, D900 D900C, DEENKEE DK600[High efficiency performance] : Roller brush helps your vacuum cleaner to work better, easily catch hair and debris, reduce battery drain. The innovative brush penetrates deep into corners and edges to remove more dirt, dust and debris.[Easy to install] : Snap in accessory kit for quick and effortless routine replacement. Keep your robot running at peak performance by changing the replacement of the consumable filter every 2 to 3 months.Colour:blackMaterial:ABS+nylonSize:16cm x 2.7cm Package Contents:1 x Sweeper main brushOnly 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.