Built-in UV protection helps prevent fading on clothing, furniture and rugs. Easily Installed, Water tight and maintenance free. NFRC Certified for Energy Efficiency. Top Rated by Home Builders. Unique condensation release system prevents moisture build-up. 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 with Prismatic Diffuser for Asphalt shingle type pitched roofs. Illuminates up to 150 sq. ft. output Equivalent of up to 300 watts. Hurricane tested and approved for Florida code requirements. Optional tile roof flashing kits available (sold separately).