What is a Food and Oil Interceptor? February 24, 2016 Above ground Food and Oil Interceptor Food and Oil Interceptor: A Food and Oil Interceptor is also known as a grease trap. It is a tank-like device that slows the flow of waste water into the sewer by using gravity to allow fats and oils to separate for disposal at an appropriate facility. Retail food business that cook or serve hot food will need to install a grease trap. Waste water from food preparation areas, floor wastes, kitchen sinks, dishwashers and garbage areas should all flow into the grease trap. Grease trap design specifications are set by local Water Authorities throughout Australia. For more information, click here Viking Plastics manufacture and supply grease traps and trade waste tanks to the Australian plumbing industry. For your special price, call Viking on 03 9587 2297.