FloraFlex 6 Bar 720W Far Red Under Canopy Lights - 4x8 to 4x126 bar LEDs delivering 3. 3 mol J efficiency for stronger lower canopy growth bigger yields and reliable indoor performance. The FloraFlex 6 Bar 720W far red under canopy LED grow light is built to unlock the lower levels of your plants where top lighting cannot reach. With a powerful 2376 mol s output and 3. 3 mol J efficiency, this system covers 4' x 8' to 4' x 12' spaces with uniform intensity. Featuring Osram 6. 24 far red chips and full spectrum