THE JUNGLE - THE MANTIS - UV A + UV B LED BAR 25W25W LED supplement manufactured by The JUNGLE in Spain that combines the best quality LEDs in: Ultraviolet At 405nm Ultraviolet B 385nm Thanks to this LED supplement for 1m2, you will get your plants to generate more resins, increasing the generation of medicinal properties and terpenes by up to 30%. Turn it on for 4 hours a day during the middle hours of the light cycle during the last month of flowering for maximum performance.