Compatible with: for Roborock S7 S7+ T7s T7s Plus Robot Vacuum Cleaner. The accessories are of high quality. They are made from very resistant and environmentally friendly materials. The attachments are easy to remove dirt, dust and litter from corners and edges effectively. Especially your hair and that of your pets. Replacement parts are durable and easy to install, making your vacuum cleaner last longer.【Manufacturer’s warranty】:There is a 60-day warranty after delivery. Please buy with confidence.a