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. $64.63

    Quantum Badboy High Output T5 lamps at 54w per bulb, 3000 kelvin rating for blooming and flowering phases of a plant's life cycle. Learn More
  2. $64.63

    Out of stock

    Quantum Bad Boy High Output T5 lamps at 54w per bulb, 6500 kelvin rating for seedling, propagation, and vegetative phases of a plant's life cycle. Learn More