The PROGROW 640 is a full-cycle top lighting solution for commercial or residential cannabis cultivation. The 640's form factor allows for scalability and multiple grow room and grow tent configurations where photosynthesis and yield maximization is the aim. The PROGROW 640 delivers high PPFD levels for use with or without CO2 supplementation. Top-shelf light output (PPF), spectral distribution, and efficacy will deliver amazing results with a modest impact on your wallet. Try risk-free for 120 days.