The Toto TSU01W.10R 10-inch Unifit Trapway is engineered for use with specific Toto toilet models including MS874S, MS884, and MS904. Constructed from durable vitreous china, it provides reliable long-term performance and a precision fit. This trapway enables proper rough-in alignment for installations that require a 10-inch setup. Made as a genuine Toto replacement component, it ensures optimal function and compatibility within the Toto Unifit system.