Design shelf for the wet area: hansgrohe XtraStoris original wall niche in concrete grey with integrated frame The XtraStoris original wall niche 12 x 6 x 5.5 in in concret egray from hansgrohe is your modern shelving solution for that perfectly contemporary shower area. At a width of 6 in, the shelf offers extra space for personal care products. At the same time, the wall-integrated installation ensures more elbow room in the shower. The concrete grey finish gives the wall niche a unique look. In combination with its frame, which is seamlessly curved from the high-quality stainless steel body, the shelf becomes a formative design element in the bathroom: as an expressive contrasting element or ideal companion for hansgrohe FinishPlus products – for that uniform bathroom design. The concrete grey body with integrated frame and a waterproof installation and sealing set designed specifically for the shower area are included in the box. This makes it easy and safe to install. The concrete .