Natural Light Tubular 10" Skylight for flat roof applications. Not designed for Metal roof applications. (Pitched angle shingle roof models sold separately.) Made in USA. Highest Quality Materials. NFRC Certified for Energy Efficiency. Powder-coated Aluminum Metal Flat Flashing, 4 feet of tubing included. Domed Prismatic Diffuser. Additional tubing available. Illuminates up to 150 sq. ft. output Equivalent of up to 300 watts. Hurricane tested and approved for Florida code requirements. The Natural Light brand 10" tubular skylight is easily installed bringing beautiful natural sun light into your home year round. Natural Light Tubular 10" Skylight for flat roof applications. Illuminates up to 150 sq. ft. output Equivalent of up to 300 watts. Hurricane tested and approved for Florida code requirements. Includes 4 foot of tubing and Domed Prismatic Diffuser. Note: Not designed for Metal roof applications. (Pitched angle shingle roof models sold separately.)