Horizontal Aluminium Radiator We have two radiator models in our horizontal radiator category, Amber and Lilac. In both models, silver grey, anthracite and white colour radiators are offered as options. Aluminium Horizontal Radiator Models We have Amber and Lilac horizontal aluminium radiator models. If you are looking for a radiator with elliptical and oval lines, we recommend our Lilac model. If you are looking for a corner and flatter radiator, we recommend our Amber model. Horizontal Radiator Colours The colours of our Amber and Lilac horizontal radiators are white, anthracite and grey.