4 ft Blue 6500K Spectralux T5 54 Watt HO Lamp

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Ultra Sun© Enhanced UV T5 HO Fluorescent Lamps have enhanced levels of UV operating at 8,000¿ K. Ultra Sun© Ultra UV 8K T5 HO Fluorescent Lamps are ideal for use in combination with standard T5 lamps. Studies with enhanced UV levels have produced plants proven to be stronger and healthier. For use with T5 fixtures.