Smith Floor Drains with 8.5" Round Tops are cast iron commercial floor drains featuring an 8-1/2" round top for light to medium traffic indoor drainage applications. Available with standard and adjustable strainer configurations, select models include wide-flange bodies that create a watertight bond with area flooring materials, and select models feature removable baskets for accessible maintenance. Select models are designed to accept debris-filled wastewater for higher-load applications.