Designed to work with the Ensemble 60' x 30' shower base Model No. 72171110-0 or Model No. 72171120-0, the complete unit is perfect for replacing an existing 60' x 30' bathtub/shower combination. The Ensemble walls Model No. 72232100-0 with the base fit the same footprint and drain configuration as your existing unit, making it an ideal remodeling choice when a bathtub is no longer needed or a lower threshold is desired. When used with our wall sets the finished shower unit is 75-3/4' tall. Sterling Vikrell shower systems assemble with a tongue and groove system that minimizes the need for caulk. Door Model Nos. that fit: Model No. 5475-59S-G03, 5475-59S-G05, 5475-59N-G05, and 5976-59S. Wall set only - shower base not included.