AgroMax T5 Grow Bulbs 6400K Spectrum are high‑output T5 fluorescent tubes for vegetative growth and propagation. The series is offered in 4 ft (F54T5HO) and 2 ft (F24T5HO) formats to fit standard T5‑HO fixtures. The 4 ft lamp draws 54 W and is rated around 5,000 lumens; the 2 ft version draws 24 W at about 2,000 lumens. The 4 ft tube’s actual length is 45.75 inches (116.2 cm) with a G5 mini bi‑pin base. Its 6400 K daylight spectrum supports seedlings, clones, and general vegetative development. Typical single‑lamp coverage for a 4 ft T5 is approximately 4 by 1.5 feet when placed close to the canopy; actual footprint varies with hanging height and reflector design. Manufacturer warranty is listed as 1 year on official materials.