Introducing the Growers Choice new IVR Bar set. A horticulturally engineered supplemental bar set, which provides a key spectrum to further promote overall health, robust plant growth, and increased resin production, working much like our 10k finishing bulbs. Our new UVR-Bar set is specifically designed to pair with the ROI-e720, plug and play, no additional wiring needed. The bar Itself is controllable and dimmable when paired with GC – Master Controller. Our UVR-Bar set is a horticulturally engineered full spectrum UV fixture including six (6) different wavelengths providing a true full spectrum UV solution for the best growing results.