K&N 62-2470 Vent Air Filter / Breather: Vent Air Filter/ Breather; 0.313 in (8 mm) Flange ID; 1.125 in (29 mm) Height; 1.375 in (35 mm) Base; 1.375 in (35 mm) Top Clamp-on design Washable and reusable Pliable rubber flanges absorb vibration Some available with choice of rubber or chrome top