Endura 3950A04 50GPM, 50/100, Grease Interceptor, Gray, 4-Inch Lightweight and durable, Endura models weigh up to 60-Percent less than directly equivalent metal competitors Supports 440-Pound of pedestrian and light duty traffic, field proven ez-open latches Will not corrode, chip or peel. Includes odor lock cover gasket Molded debris curtain, easy to clean SFCD is required in the states of MA and AK and the cities of San Francisco and New York