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 allergens into the air you . For best results, filters should be replaced 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: 4 x Rubber Brushes 6 x High-Efficiency HEPA filters 6 x Edge-Sweeping Brushes 1 x Filter Cleaning Tool 1 x Screw Driver 6 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.