K&N Engineering K&N Air Filter Vent Kit - Marine Style Vent Hose Adapters - Silver - 4in L x 1.25in W x 4in H 85-1475

KN Air Intake Components

Engine Crankcase Breather Hose

K&N Marine Style Vent Hose Adapters mount between the top and bottom plates of a custom chrome air filter assembly. Vent adapters accommodate breather hoses without drilling into the filter base.