Sun System Universal Reflector Uni-Strut Brackets (2 Per Set w/ Hardware) (1/Bag) Sun System® Universal Reflector Uni-Strut Brackets safely hang your Sun System® reflector in a greenhouse or commercial application. Heavy-duty, bolt on mounting brackets used to attach your Sun System® reflector to uni-strut/kindorf framing. Used for rigid mount applications for additional safety and support. May be adaptable to other strut/framing applications. These brackets are... Note: Ballasts, Lamps / Tubes are available separately. — Ships from H: WA, CA, CO, MI, TN, PA, FL USA....more info.