T5 4' Replacement 6400K Bulbs (4/cs) T5 4’ Replacement 6400K Bulbs (4/cs) (eco-4423)For use with eco-4015 Single T5 Fixture with Tube 48” - 54W & eco-4017 4’ T5 System w/reflector, strip & tube
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T5 4' Replacement 6500K (Day) Bulb, 54W (20/Pack) T5 4' Replacement 6400K Bulbs, 54W (eco-3989)Hydrofarm's T5 replacement tubes offer HO light output at a great price. Full daylight 6400k spectrum, rated for 20,000 hours of life, and compatible for all T5 fixtures we offer. 54W puts out 5000 initial lumens per tube, 24W puts out 2000 initial lumens per tube.
Manufacturer's Produ... — Ships separately from Seattle, Washington USA...more.