600ml Aluminum OIL Reservoir Catch CAN Tank JDM Universal Fit Polish Color CS STYLE Oil Catch Tank (polished) Made of T6061 Lightweight Aluminum Exterior level indicator displays level of sludge inside canister Oil Catch Capacity: 600ml Tank size :6" (H) x 3.25" (D) Included necessary hardware for installation: high pressure oil line, Mounting bracket, clamps and bolts Professional Installation is Highly recommended Oil Catch Tanks collect the oil, moisture and gas that cause carbon and sludge build-up in the intake system and engine to keep them clean even under extreme driving conditions.