The vacuum brushroll is a large, round, metal brush that is used to clean the vacuum cleaner. The brushroll is usually located near the front of the vacuum cleaner, and it needs to be cleaned regularly to keep it in good condition. To clean the vacuum brushroll, first remove all of the dirt and debris that has built up on it. Next, use a damp cloth to clean the surface of the brushroll. Finally, dry off the brushroll using a dry cloth or a hairdryer.