Flower Power is the definitive cannabis stressing lamp on the market. If you've heard about people having great success with UVB, then chances are they are using Flower Power, which outsells every competing brand put together. Patented design bulbs in 4 and 2 foot sizes. Super long life. They are the ONLY UVB/UVA lamp proven to trigger the UVR8 protein in plants, for THC yields up to 30% and higher. Buy direct from Solacure now.