VELUX sun tunnel with flexible 14 inch diameter tunnel for tiles up to 120mm in profile. Brings natural light into windowless storage areas, corridors and bathrooms. Double layer diffuser for maximising the spread of light. Suitable in windowless areas Flexible tunnels Edge-Glow technology Night lighting with low energy light kit ZTL 018. Provides a source of natural daylight when it is not possible to install a window. The VELUX sun tunnel with flexible tunnel is the perfect choice for sun tunnel installations when rigid tunnels cannot be used – i.e. when there is a beam or other obstacle between the roof and the ceiling. Features & Benefits: Recommended for lengths between 0.4 m and 1.5 m for pitched roofs and 0.2 m and 0.9 m for flat roofs. Double layer diffuser with Edge-Glow technology increases the spread of light internally Stunning light effects from the stylish glass diffuser with EdgeGlow. Flexible fibreglass tunnel can be installed even when there are obstacles between the roof and ceiling. The elegant, maintenance-free exterior glass module blends with your roof for a streamlined look. Suitable for roof pitches between 15-60°. Exterior flat glass window appearance. Easy to install with integral flashing. Suitable for distances between roof and ceiling of between 0.9 - 2.0m. Suitable for tiles up to 120 mm in profile. Guarantee: 10 years