Made of high quality materials, more durable;Exquisite and delicate, very match with the equipment. Side brush can go deep into corners and edges to remove more dirt, dust and debris. Filters can maintain the cleaning performance of the while reducing the penetration of dust, pollen and other into the air you breathe. Newly designed anti-winding roller, roller brush adjusts rotation, wipes dust in dust box, prevents hair from tangling. As part of normal maintenance, it can be easily removed and replaced. It is recommended that you replace it every 2-3 months or according to your usage to keep the machine running at its performance. Fitment: For R3500S R550 R650 R700, 1600PA D380 D382, C800 D900 D900C, DK600, BG600 colour: blue + black Material: plastic + fiber Package Contents: 2 x roller brush 2 x filter screen 4 x side brush 1 x lid 1 x cleaning brush 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.