Our Grease Interceptor 30 lb. grease trap prevents greasy substances from entering plumbing systems and septic fields where they cannot be processed properly and could harm the environment. Our Grease traps are often used with cooking or prep sinks, pot sinks, and commercial dishwashers in various types of commercial food service operations. Our Grease Interceptor features a body constructed of 11-gauge cold rolled steel with an acid-resistant epoxy coating. Other standard features include a solid steel cover with gasket, a removable baffle assembly, a deep seal trap with cleanout and an external cast iron flow control fitting (flow restrictor). Our grease trap has a grease capacity of 30 lbs., and a flow rate of 15 GPM. It is PDI (Plumbing & Drainage Institute) Certified, and meets the industry standard for separation efficiency.