Litetronics' one-piece LED RetroFit converts popular fluorescent troffers to LED. Once the ballast is out, it holds in place with rare earth magnets and installs in under 3 minutes.
As featured in 2015: the 3-light 2×4 kit uses 50W to replace a 4-lamp T8 fixture (112W), with an 85,000-hour rated life, a 7-year warranty, 120V or 277V operation, and UL and DLC listing.
Models and specs may have changed since this was posted. Current items and spec sheets are in our online store.