The ROI-E420 is the most compact of our proven 3K Full
Spectrum line-up, and even with its smaller footprint, it is
still an impressive performer. Meant as a lower-cost entry point
for hobbyists that need a compact fixture. The ROI-E420
is perfect for smaller gardens and cultivation tents utilizing
4ft x 4ft vegetation and 3.5ft x 3.5ft flowering footprints.                                                                                                         This LED fixture is ideal for professional cultivators and the
hobbyist that are looking to Maximize their yields while
working with limited space