The MUSTEE, E. L. & Sons, Inc. Durabase 32 in. x 32 in. Single Threshold Shower Floor in White features heavy-duty, molded fiberglass construction with a ribbed underbody for strength and a slip-resistant Sunburst floor pattern for safety. The shower base has a semi-gloss surface that is easily cleaned and resistant to mold and mildew. Integral molded center drain for connection to 2 in. Sch. 40 ABS, PVC or iron DWV sanitary drain pipe. Code listed by IAPMO.