The Velux CO4 GHL only (Size 55cm wide x 98cm long)top hung window with it's comfortable operation top-hung roof windows feature a conveniently placed bottom handle. This window has one finish, Pinewood with clear varnish finish (TOPfinish?)and white painted pinewood finish (PAINTfinish?) Ideal for low pitched roofs. The VELUX roof window has proved itself over many years. If you are looking for a Top Hung window, you should choose the VELUX GHL Top Hung roof window.