The 3SN0220001 is the correct belt replacement for the following models:
The Dirt Devil Style 15 Belt for Dirt Devil Quick Vac is a replacement belt for various Dirt Devil Quick Vac models, including Extreme, Dynamite, and Vibe. These vacuum cleaner belts are genuine Style 15 belts and are made directly by Dirt Devil. With a genuine product like this you can ensure that this belt will match perfectly with your vacuum cleaner.
Dirt Devil recommends that you replace these Style 15 belts every 3 to 6 months. A damaged or worn belt can negatively affect the transfer of power from the motor to the brush roller. With a replacement vacuum cleaner belt you can make sure that your vacuum's cleaning ability operates at high performance.
Dirt Devil Style 15 Belt for Dirt Devil Quick Vac specifications: