14 inch Kit with Black Metal Flashing: Polycarbonate dome, two 15" adjustable light tubes - Tubes are jointed to rotate up to 45 degrees for ease of alignment, diffuser/ceiling trim ring pack and hardware - Roof Dome: UV-Resistant polycarbonate dome with patented optics transmits maximum natural light - Leak-proof roof flashing - Jointed light tubes rotate up to 30 degrees with mirrored interior finish - lights up to 300 square feet - equivalent to five 100 Watt light bulbs - easy installation - ideal for commercial and residential daylighting - Hurricane rated