SKYLIGHT PLEATED BLIND BLACKOUT & THERMAL TO FIT VELUX SIZES GGL1 OR M04 OR 304
Velux windows only - The first three letters of the code will be for example GGL, GPL, GHL - this corresponds to the style and way the window opens. GGL / GHL / GPL Size M04 or 304 or GGL/GPL 1. Pleated Fabric Skylight Blinds.