K&N 62-1511 Vent Air Filter / Breather: Vent Air Filter/ Breather; 1 in (25 mm) Flange ID; 2.5 in (64 mm) Height; 3 in (76 mm) Base; 3 in (76 mm) Top Clamp-on design for existing vent tubes Shield and top plate are chrome plated 3 inch outside diameter by 2-1/2 inches tall Washable and reusable