While the fuel filter in the tank keeps larger impurities out, this (washable) filter mounted in the carburetor is responsible for filtering fine particles.
Suitable for Si carburetors 20/17, 20.20, 24.24 of Vespa scooters PX 80/125/200, Cosa, Sprint, and more.
For more manufacturer information, please visit this manufacturer's / EU contact person's official website.