The Grow Crew fluorescent T5 fixture is ideal for those looking to use a compact, low heat light with high efficiency. You can fully customize your unit with your choice in combination of red (3000k) or blue (6500k) bulbs. Each bulb is 54w, giving the unit a total of 216w of total light output. Beat the heat with the Grow Crew HO (high output) T5 fluorescent grow light fixture. This economical 4 x 4 foot light source produces up to 20,000 lumens, as much as a 250 watt metal halide, but with virtually no heat, eliminating the need for costly and space-hogging ventilation systems. Two programmed start, 120 volt electronic ballasts are built in and controlled by separate switches, allowing you to run two lamp types (vegetative and flowering) within the same fixture. The Grow Crew T5 Fluorescent light fixture is perfect for the starting or professional grower and can be daisy-chained to matching fixtures for nearly unlimited expansion. Use the supplied wire hangers to mount the light in an