Napa Air Filter 9711Part No. 9711 Type AIR FILTER Brand NAPGLD Unit of Measure EACH Description Napa Air Filter Warranty Service Interval Type Round Height 539mm Inner Diameter Bottom 147mm Outer Diameter Bottom 240mm Outer Diameter Top 240mm 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 Filters combine all the