Ximax Fortuna Duplex Horizontal Designer radiator White (H)600 mm (W)1180 mm. Discover our stylish range of high quality designer radiators specially developed to blend in with the interior of your home. A great designer radiator should match the style of interior whether that be minimal & understated an ultra-modern contemporary or a more timeless traditional style. All of our designer radiators have been crafted to a high quality & many feature state-of-the-art technology.