Made of high quality material, and practical to use. Keep your home robot at peak 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 to 3 months. The accessories are durable and easy to install. Suitable for T7 T7plus T7S T7Splus S7 robot vacuum cleaner. Vacuum cleaner part type: brush Vacuum cleaner part type: Filters Color: As shown Material: plastic Package Contents: 1 x Roller Brush 4 x Filters 4 x Rags 4 x Dustpans 6 x Side Brushes Only the above package content, other products are not included. Note: Light shooting 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 +/- 1-3 cm.