Compatibility: 10 kinds to choose from, please check your old brush's diameter and hole quantity before purchasing: for V6 (3 inner holes, d=45mm), for V6 (4 inner holes, d=45mm), for V6 (4 inner holes, d=45mm) 45 mm), for V7 (3 inner holes, d = 45 mm), for V7 (4 inner holes, d = 45 mm), for V7 (4 inner holes, d. = 50 mm), for V8 (3 inner holes , d = 50 mm), for V8 (4 inner holes, d = 50 mm), for V10 (3 inner holes, d = 50 mm), for motor head V10 (4 inner holes, d = 50 mm), for V11 (3 inner holes, d=50mm) Perfect Replacement: Nice accessories to improve the performance of your vacuum cleaner. Effectively helps remove more dirt, dust and debris, and provides a healthy and clean living environment for you and your family Durable Material: Replacement parts are made from premium materials quality and eco-friendly to ensure optimal performance and a healthier lifestyle, durable to use, long service life Easy Installation: Easy to remove and replace as part of the routine maintenance. When