Spectralux High Output T5 Replacement Lamps 4 Ft -
Item No. GL-BUFL-T543000
These High Output T5 lamps (T5HOs) are a 4-foot fluorescent linear lamp whose time has come. Though narrower in diameter than T8s, T5HOs give off roughly twice the light output, reducing the number of required lamps in half. For more options, visit Spectralux High Output T5 Replacement Lamps 2 Ft.