iWindow Flex 2.0 opengaand platdakraam voor renovatie 40x160 cm Rain Detection:without rain sensor 0 clear glass 0700 x 0 clear glass 0700 x 2000 mm: 0 openable version with opal glass 0400 x 1000 mm: the iWindow Flex opens up to 25 cm for efficient ventilation Make your roof more energy efficient and stylish without major renovation work