MTI MTSB-4236MT, Multi-Threshold 42 inch x 36" Shower Pans with Center Drain

• Multi threshold; 3.5" drain opening pre-drilled. • Durable Luciteฎ cast acrylic shell is extremely scratch- and stain-resistant, yet renewable because the color goes all the way through the material. • Non-porous surface makes cleaning and sanitizing faster and more effective. • Multi-layered backing of thick fiberglass / resin / titanium encloses wood reinforcement to prevent flexing of floor pan. • At least 30% thicker and stronger than other makes. • Pre-leveled with integral tile flange on 3 sides to facilitate installation. • Textured bottom that meets ASTM F-462-1994 certification requirements for safer showering. • NAHB Certified. • 10-year Limited Residential Warranty. • Made in the U.S.A.

Detailed specs can be found at http://mtiwhirlpools.com/common/pdf/MTSB-4236MT.pdf Please show these to your builder to make sure your base will fit before ordering.