windowgreen: Your individual view into the green ...
The new window sill flower box from the inventor of the original balustrade flower pot and the balKonzepz balcony table:
windowgreen is simply placed on the window sill and securely clamped in the window opening on the right and left with 2 stainless steel adjusting screws with rubber plates. You don't have to drill any holes in the facade.
Download assembly instructions