Napa Air Filter 6854Part No. 6854 Type AIR FILTER Brand NAPGLD Unit of Measure EACH Description Napa Air Filter Warranty Service Interval Type Round Height 622. 3mm Inner Diameter Bottom 196. 3mm Inner Diameter Top 23mm Outer Diameter Bottom 307mm Outer Diameter Top 307mm Features A Nationwide NAPA Warranty backs this Air Filter Prevents microscopic dust particles from damaging Cylinder walls, Pistons and Piston Rings, which could damage an Engine's performance. NAPA Air