4 Foot Bulbs
T5 4 Ft. Fluorescent bulbs and lamps start at 54 watts each and have approximately 5000 lumens. These tubes are High Output (HO) and come in different spectrums for different stages of plant growth. Get lamps around 6500k for vegetative growth and around 3000k for flowering phase.

  1. $8.71

    High quality T5 lamps by the popular brand Ultra Sun. 54w per bulb at 6500k great for seedlings, cuttings, propagation, and vegetative growth. Learn More