This Type 304 stainless steel Hub Drain is engineered for long service life in facilities where corrosive liquids frequently enter into the drainage system such as in food and chemical processing plants. This unit is designed to catch drainage from a drain outlet not physically connected to it (indirect connection). Designed with a Schedule 10 nominal wall thickness, this hub drain is available with a 3” outlet (4” dia. top size), 4” outlet (6” dia. top size) and 6” outlet (8” dia. top size).