Feature●Suitable for e.g. On Puch Maxi, Kreidler Florett and much more●Air filter connection inside approx. 60mm Outer diameter approx. 64mm Intake manifold connection approx. 23 mmDescription Suitable for e.g. On Puch Maxi, Kreidler Florett and much more, air filter connection inside approx. 60mm Outer diameter approx. 64mm Intake manifold connection approx. 23 mm