[Compatible Models] Perfect for X20 or L20 Ultra Vacuums. Made of high-quality materials, environmental friendly materials, soft and durable to use. As part of normal maintenance, it can be easily removed and replaced. Sweeping robot vacuum cleaner dust removal accessories, replacement parts dust box, dust collection box can be combined with vacuum cleaner to achieve better cleaning effect. Effectively capture fine dust particles and optimize machine performance. Depending on the frequency of use, it is recommended to replace spare parts every 2 to 3 months to maintain the best performance of the machine. Vacumor Part Type:Filters Model Number:For Dream X20 or L20 Ultra Colour:Gray and White Material:Plastic Package Contents: 1 x Dust Box 4 x Hepa Filter 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.