Fernco 2" PVC Shower Drain Connector. It connects 2" DWV plastic Schedule 40, steel or cast iron to drain bodies. It fits most popular shower drains, including American Brass and Aluminum, Armstrong, Casper 101-101P and 101BR, Garvin 475, Intercon, Kohler, and Schaul 1524. This flexible PVC tubular drain connector makes it easy to extend, alter, or repair any combination of brass or plastic drain pipe without special tools, glue, threading, or lead caulking. It has a maximum pressure of 4.3 pounds per square inch.