Durable replacement vacuum cleaner belt. The drive belt is a critical component of your vacuum that allows the brush roll to spin and help remove dirt and debris from carpets. Maintain optimum vacuum performance by replacing your belt every 12 months. Compatible with Hoover self-propelled WindTunnel, bagged and bagless models, including Anniversary WindTunnel, WindTunnel, Mach, Cyclonic, and units taking the 40201170 and 38528035 belts. 2 belts per package.