Schluter® SHELF-N Rectangular Niche Shelf — Pure (Flat) PatternSometimes the clean choice is the right choice. SHELF N Pure has a flat, unadorned surface no texture, no pattern, just a precise aluminum shelf that sits flush in your KERDI BOARD SN niche and gets out of the way of the tile design. Pure is the right call in minimalist or modern bathrooms where you want the tile to do the talking, or when you're using a bold stone or large format tile that doesn't need any competition from the shelf surface. Easiest