1、PERFECT REPLACEMENT: This brush is ideal for replacing old, damaged or unusable brush heads. By replacing the brush, you can bring your vacuum cleaner back to its performance. 2、EASY INSTALLATION: It is very simple to install and easy to remove. You can quickly and easily install it on your vacuum cleaner without complicated steps. 3、DURABLE: Made of ABS and rubber material. It can withstand the wear and tear of long term use and cleaning process and keep in good working condition. 4、THOROUGH CLEANING: Effectively and thoroughly remove dust and stains from the floor, deeply clean the surface of the floor and make the cleaning more effective. 5、APPLICABLE MODEL: Designed for Ulnitec U11 model cordless handheld vacuum cleaner to ensure perfect fit and compatibility. To maintain the cleaning efficiency and prolong the life of your machine, we recommend that you clean and replace parts in a timely manner.