The Toto TSU01W.10R 10" Unifit Rough In Adapter is a gray adapter specifically designed for Toto toilets. It has a standard bowl shape and a 10" diameter, making it suitable for a 10" rough in installation. The adapter is part of the Unifit collection from TOTO, known for its high-quality toilet accessories and parts. It is made in the United States and includes a California Prop 65 Warning. Perfect for those looking to install a Toto toilet in their bathroom, this adapter provides a seamless and secure connection for a smooth installation process.