FULL-FLOW LUBE SPIN ON -- STATISTICAL PROCESS CONTROL (SPC) LOCK SEAMS TO PREVENT LEAKS. GASKET MATERIALS THAT MEET THE NEEDS OF THE DIESEL ENGINE ENVIRONMENT. HIGH EFFICIENCY MEDIA DESIGNED TO REMOVE DAMAGING PARTICLES. HIGH STRENGTH PLATE FOR MAXIMUM PERFORMANCE. HIGH STRENGTH SPIRAL CENTER TUBES RESIST INTERNAL PRESSURE BUILDUP PREVENTING COLLAPSE.