[ Part replacements]Replacement Accessory Part for 800&900 series: all the parts are strictly tested to make sure it perfect compatible with 805 850 860 861 866 890 891 894 880 870 971 980 960 961 964 990 995 985 and so on. [Highly Efficient Hepa Filter]: Normally we need to change the HEPA filter every 3-6 months ,this filter paper is made of PM2.5,the purification efficiency is as high as 99.98%,filter tiny particles to make the released air more fresh,prevent secondary pollution,effectively protect motor from inhaling tiny dust,prolong the servie life ,which is to extend the service life of the sweeper. [Armed-3 side brushes]: strong anti-winding structure, closely fitted with the side brush suction,gold tilt angle of the rubber arm,effectively rubbing the rubbish into the main brush. Grind nylon hair bristles,good hardness ,the side brush will not scratch the floor and furniture, greatly ensure the safety and cleaning effect during the process of the use. [Multi-Surface Rubber Brushes]: To use very soft wear-resistant rubber,special grain,completely solves the winding problem,higher garbage capture rate, zigzag tread design on the roller brush, strongly decompose the debris, break the hair,also 99% hair will be removed. Compared with previous generations, the 800&900 series performance is improved 51%,much effective, higher performance. color:As shown Material:Rubber+nylon+filter paper Package Contents: 2 sets x main brushes 6 x filters 6 x side brushes 6 x screws 1 x screwdriver 1 x cleaning brush Only the above package content, other products are not included. Note: Light 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.