The new Pro Grow UFO LEDs blend top bin SMD diodes from both Samsung and Osram for an outstanding efficacy of over 2.1 μmols/s. Pro Grow UFO LED’s emit 4,000 Kelvin full spectrum light with an industry-leading CRI of 90. Coupled with ultra-reliable Optimum drivers, the lightweight and durable die-cast aluminium housings offer cool, fanless & totally silent operation. Extended reliability is assured with IP-55 water resistant, cleanable housings. Pro Grow UFO LED’s are available in both 100 W, 200 W and 300 W configurations with outputs of PPF 210 & PPF 420 respectively.