Clean brushes keep your home robot operating at . Side brushes are easy to remove and replace as part of routine maintenance. Filters maintain cleaning performance while reducing infiltration of dust, pollen and other into the air you breathe. For best results, filters should be replaced every 2 - 3 months. Compatible Models: for e, i, & j Series i7 i7+ i2 i3 i3+ i4 i4+ i6 i6+ i8 i8+/Plus j7 j7+ E5 E6 E7. Material: Plastic+rubber colour: Green+black Package Contents: 8 x Rubber Brushes 12 x High-Efficiency HEPA filters 12 x Edge-Sweeping Brushes 2 x Filter Cleaning Tool 2 x Screw Driver 12 x Screw Only the above package content, other products are not included. Note: Light reflection 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.