Homedepot.com sells a Schluter Kerdi shower kit as of 2015. It comes with a shower tray measuring 48 inches by 48 inches. The package also contains other PVC-made components and a stainless steel drain grate. The product creates a waterproof enclosure and is usable on tiled and steam showers only.
Amazon.com offers a Schluter Kerdi shower kit that features a shower tray measuring 72 inches by 72 inches. The package also comes with a waterproofing membrane, a polyvinyl chloride plastic flange and a shower curb. Lowes.com also sells a Schluter Kerdi shower kit that comes with a shower tray measuring 32 inches by 60 inches. The components are made of nickel and styrene, and they include a shower curb, a mixing valve and pipe seal, strips and corners.