250/400W/600/1000w hydroponice High Pressure Sodium Lamp Bulb 

DE HPS Grow Bulbs 250w/400w/600w/1000w
1) Optimized for electronic ballasts.
2) More energy in green,yellow and red spectrum to enhance flowering.
3) Works perfectly with Sinowell Ballasts.
4) Developed to provide optimum spectral energy levels for indoor horticulture.
5) Provides 15% more available energy for plant growth than a normal HPS bulb.
6) Promotes vigorous and healthy plants.
7) Enhanced spectral energy distribution allows for growing a wider variety of plants.
8) Compatible with electronic ballast.
9) Stretch your growing season to 365 days a year.

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