Cast iron can’t keep up. Americast® is our revolutionary alternative to cast iron that’s more durable, lighter and costs less to install. This traditionally styled, integral-apron bathtub features a beveled headrest, lumbar support and a StanSure slip-resistant surface. Book smarts, beautifully applied. This Princeton® Collection bathtub is made of Americast®, our revolutionary alternative to cast iron that’s more durable, lighter and costs less to install. An update of a bestseller, Bellwether features a clean, contemporary design in a popular, industry-standard size. Its integral apron simplifies alcove installation, while a low step-over threshold allows for comfortable entry and exit. Bellwether 60 In. x 30 In. Alcove Bah with Integral Apron, Tile Flange, and Right-Hand Drain, White .