T5 or mini-lights, the typical small candle-esque bulbs wide-angle or 5 mm lights, which are stubbier than mini-lights, with a conical lens that refracts the light, producing a brighter and ...

If you want a pro-grade grow room, this Hydrofarm fluorescent light bank measures nearly four feet long and can put out almost 19,000 lumens when fully outfitted with high-output T5 bulbs.

“Since T5 was opened in March ‘08, there have always been challenges for Heathrow with replacing blown light bulbs.

We’ve replaced the standard fluorescent bulbs with higher output and more energy efficient T5 lights,” said Craig Ellins, Phototron Holdings, Inc.’s Chairman of the Board.

The Hamlet Lighting Group replaced 34 400-watt T12 lights in the shop area with 24 four-lamp T5 fixtures. The color temperature of the new T5 lights is more natural, improving illumination.