Most new vacuum belts will be drastically different in size (usually smaller and wider) than the used belts. This is due to the fact that belts stretch and wear as they are used. Most new belts usually require the belt to be pulled and stretched into place.
Roller Brush Belt for NuTone 599 Power Head and other NuTone and Beam models that use the 155301 or 155301-002 belt
