Universal for 1L Coolant Radiator Overflow Recovery Water Tank Bottle AluminumDescription Oil catch cans are simple devices that can greatly benefit direct injected engines. They prevent oil and other contaminants from causing buildup inside your engine's intake manifold. An oil catch can acts as a filter, plugging into this hose line to "catch" the contaminants before they can reach the intake. Maxpeedingrods manufactures provides performance Oil Catch Can for your car. Application 1L Aluminum Coolant Overflow Tank