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- 4Ft 28W LED tube replace F54T5HO tube directly work with previous ballast together to get over 50% energy saving and double fast growing
- Exact same with T5 4Ft fluorescent tube, ez upgrade your old fluorescent grow system to LED light without any extra job .
- Same 6500K Sun lights and 5000 lumen with T5 Fluorescent, but specially over 2.0 PPF/W can support double fast growing
This fits your .
4, 8, 20