Napa Air Filter 9908Part No. 9908 Type BREATHER FILTER Brand NAPGLD Unit of Measure EACH Description Napa Air Filter Warranty Service Interval Height 88. 6mm Inner Diameter Bottom 22mm Outer Diameter Bottom 85mm Outer Diameter Top 87. 6mm 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