MH 400W Grow Light Bulb

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  • Regular price $15.50
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Our Green Leaf Signature Series, Metal Halide grow lights allow you to extend your growing season to 365 days a year. Dial in your lighting system to provide the optimum spectral energy for vigerous plant growth. Our bulbs provide a maintained lumen output and are specially designed to accelerate plant growth during their vegetative growth cycle.


-Excellent results during all phases of plant growth

-Perfect for 2'x2' and 2'x4' grow tents.

-Optimized for high frequency electronic ballasts. Fully compatible with Green Leaf 400w Ballasts

-Higher energy output in the violet, blue, and green colour spectrum to enhance vegetative growth



Watts: 400w

Lumens: 36000

Colour Temp.: 4200K

Glass Size: T46

CRI: 80

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