Quantum T5 FixtureQuantum T5 fluorescent fixtures use high efficiency, active electronic ballasts to power the high output, 54 watt, 4 foot T5 lamps. The Quantum T5 features a shallow profile, very low heat, wider bulb spread, and high quality German glass coated aluminum reflectors. Engineered with broader angles, these reflectors allow more light from the backside of the lamps to make it to the plants, and penetrate deeper into the canopy without being obstructed by