Horti Tech PFS grow lights ultra-low profile at only 1.5 inches thin, are especially created for dense vertical commercial farming where every inch of your indoor cultivation matters. Stack layers from floor to ceiling of leafy greens, micro-greens, and culinary herbs with maximum efficiency at near-ZERO radiant heat with outputs as high as 2.5 umol/J. The PFS is ideal for propagation of vegetable and ornamental crops, including cloning and seedling beds, implementing the most pertinent photosynthetic photon flex density for well stacked and dense vegetative growth.