Haus Koller is made by Brand Wittmann. Details and photos of Haus Koller are displayed above. You can also check other products in Furnishings category. Brand Wittmann / Furnishings Furnishings products by Brand Wittmann Mono Chair Constanze 3/4 Armchair Vuelta Sofa 254 Andes Stool Joyce Niche Bed Mono Armchair & Stool