Schluter Systems Kerdi-Board-SN 12-in x 12-in Shower Niche PPG1239-2 3/8-inch male iron pipe elbow

3/8-inch male iron pipe elbow x 3/8-inch female hose thread 90-degree elbow included

and other environmental elements

clean and quick way to install tile

secure with stainless steel

Schluter Systems Kerdi-Board-SN 12-in x 12-in Shower Niche PPG1239-2 3/8-inch male iron pipe elbowKerdi Board SN is a prefabricated shower niche made of Kerdi Board. It can be installed in Kerdi and Kerdi Board shower assemblies. The waterproof niche has a 1 2 in thick by 2 in wide bonding flange and is ready to be tiled. There are 4 sizes available and the larger sizes include a Kerdi Board shelf that can be installed at any height to create separate compartments. Prefabricated shower niche made of Kerdi Board is waterproof and ready to be tiled