Benchmark by Viribright 4' 4-foot single fixtures for Viribright dual end powered Viribright LED replacement tube kits End wired for ease of instalaltion Compatible with Viribright T8 LED Tubes 73443, 73444, 73442, 73340, 73341, 73342 DIY Installation Kit Included (2 Mounting Clips with Screws, (3) Wirte Nuts, Drywall Inserts) cULus Certified UL1589.1598C Wire whip without plug end Vibright Benchmark LED T8 fixtures UL listing is only valid when used with a Viribright Benchmark LED Linear retrofit T8 kit