![Marklex LED T5 HO Horticulture LED Grow Lamp – High-Output – Direct Replacement – 4 foot – [2-Pack]](https://images-na.ssl-images-amazon.com/images/I/414XJWPBrnL.jpg "Marklex LED T5 HO Horticulture LED Grow Lamp – High-Output – Direct Replacement – 4 foot – [2-Pack]")
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• >50% Energy savings over 54 watt lamp
• 50,000 hour life
• Mercury free
• Low heat
• Equivalent PAR output to Fluorescent T5HO
• 5000 Kelvin, ideal for photosynthesis
• Direct plug-and-play, works with electronic ballasts [not compatible with single-lamp “daisy-chain” style fixtures SunBlaze, SunBlaster, etc.]
• 5 Year Warranty
• UL listed
• DLC listed
• Shatterproof polymer construction
Product Features
- Easily upgrade to LED from fluorescent
- Direct replacement for 54 watt fluorescent T5 lamps
- Direct plug-and-play, works with electronic ballasts [not compatible with single-lamp “daisy-chain” style fixtures SunBlaze, SunBlaster, etc.]
- With 5000K of pure white light with a broad spectrum, these LED T5’s have a much more effective output than fluorescent.
- Energy savings is substantial. Changing a hot, 54 watt tube to a cool-running 28 watt LED also extends the lifespan of the ballast and fixture!
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Fried my ballasts.
my plants seems to love these. also you can’t beat the cut in …
PURE, UNADULTERATED GARBAGE Be warned, these lamps are PURE GARBAGE. I purchased three of them to install in SunBlaze brand, single bulb, T5 fixtures daisy chained together over greens and strawberries in a vertical garden set-up. These bulbs do not have an adequate driver and will overload the ballast on a standard GROW LIGHT fixture! They are most certainly NOT DIRECT REPLACEMENT as the only way to avoid the overheating is to bypass the ballast.I am returning the three bulbs I purchased and will no longer…
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