Buddy Kit for 500 / N79 / N79S / N79SE / N79W, Replacement Parts for DN622.11 Suggest replacing the n79s replacement parts every 2-3 months to keep your vacuum cleaner at peak performance, it also depends on your frequency of use Easy to install replacement parts, the installation method is the same as the parts Color: Black Material: Plastic Package Contents: 2 x Main Brush 6 x Filters 12 x Side Brushes 2 x Tool Brush 2 x Screwdriver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.