VELUX Original Roof Window Replacement Blackout Blind for F04, Beige

No tape measure required. For the correct size, find the window code located on the top of the opened VELUX skylight. Compatible with the following VELUX roof windows with reference codes: GGL F04, GGU F04. *Not compatible with size FK04 A brand new, cheaper option from VELUX, ideal for replacing older and worn roller blinds Manual stepless positioning, almost complete darkening Easy installation - Tailored for VELUX skylights for a perfect fit. Installed in minutes with the pre-assembled mounting system. If no mounting brackets are pre-assembled on the window, you must purchase the Z0Z 230 accessory carrier set separately.