Lumitube Elite is a prestigious make (Canadian version) using aluminium flashing made in several sizes to solve all your natural lighting needs. This technology is the result of more than 20 years design experience. The ETS-ELB comes with flashing, exterior dome, 1 X 2 foot pipe, 2 elbows plus the ceiling unit and interior diffuser. It includes the installation kit. The Lumitube Elite is Energy star Rated Price plus shipping and taxes