PH Hat by Architecturat PH Hat is made by Brand Louis Poulsen. Details and photos of PH Hat are displayed above. You can also check other products in illumination category. Brand Louis Poulsen / illumination illumination products by Brand Louis Poulsen PH 3½-2½ Floor LP Slim Round Wall 680 Kipp Bollard PH 3-2½ Wall Flindt Wall Panthella MINI