KU cover opal length: 2000mm for profiles with an opening width of 17.3mm. Transmission level 53% Click cover opal suitable for profile P02-10, P05-14, P32-12, P35-14, P63-14, P74-14, P75-14, suitable for aluminum profile 53605..., 53604..., 53650..., 53657..., 53703..., 53751..., 53755...