... Filter,this foam filter is for Jonway 50cc Moped (4-stroke) 4 stroke YY50QT-6 gas scooter 38mm 30 Degree Afro Foam Air ... Filter,This 4 stroke gas scooter 38mm 30 Degree Afro Foam Air Filter is for Jonway 50cc Moped (4-stroke), Model YY50QT ... fitler that connects to the carburetor. 4 stroke YY50QT-6 gas scooter 38mm 30 Degree Afro Foam Air Filter