CRANKCASE FILTER (CATCH CAN) RCC350Ryco Crankcase Filter Catch Can RCC350 The Ryco Crankcase Filter (Catch Can) RCC350 is a high performance crankcase ventilation system designed to capture oil vapour, moisture, and blow by gases before they enter the engine intake system. It helps maintain cleaner intake components, improved engine efficiency, and reduced long term maintenance costs. Engineered in Australia and tested under Rycos strict filtration standards, the RCC350 is designed to