Sun System 3 commercial grow light features an attached ballast (Made in USA with 2-year warranty), extruded aluminum ballast enclosure that will never rust, and the Sunstar reflector made from 95% reflective aluminum. UL and CUL Listed for Greenhouse Damp Locations. Broad choice of Metal Halide or HPS bulbs and optional tempered glass lens priced separately. 2-year rebuild or replace warranty. Greenhouse lights are made to order. Allow 7-14 days for shipment.