The main difference you'll get between the two is the light spread across the coverage area. The ROI E680 provides a much more even spread while the SF4000 is "hot" in the dead center then drops off as you move towards the edges. So if you don't care about light spread then go for the SF4000. Also don't forget to use my discount code MRGROWIT5 😉
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The main difference you'll get between the two is the light spread across the coverage area. The ROI E680 provides a much more even spread while the SF4000 is "hot" in the dead center then drops off as you move towards the edges. So if you don't care about light spread then go for the SF4000. Also don't forget to use my discount code MRGROWIT5 😉