Clean brushes keep your home robot operating at performance. 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 breathe. For best results, filters should be replaced every 2 - 3 months. Compatible Models: for 600 Series 694 692 690 680 660 665 651 650 614 500. Material: Plastic colour: Black+white Package Contents: 1 x Bristle Brush 1 x Beater Brush 3 x Side Brush 3 x Filter 1 x Screw Driver 3 x Screw 2 x Cleaning Tools 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.