The Oatey 2 in. Cast-Iron Female Pipe Thread Shower Floor Drain with 4-1/4 in. Strainer is designed for use with tile or marble shower bases where a hot mop membrane is required. Its low-profile design allows for installation in tight spaces. This drain includes a 3-1/4 in. Dia stainless-steel crown ring set that screws onto the drain top and is removable for cleaning. Color: black.