Spectre Performance HPR0882 Universal Clamp-On Air Filter: Round Tapered; 4 in (102 mm) Flange ID; 10.719 in (272 mm) Height; 6 in (152 mm) Base; 5.125 in (130 mm) Top Designed specifically for diesel engines Factory pre-oiled filter - ready to use Quality materials used in the construction Easy to install with no special tools or skills required Available with red, blue, black or white washable media