Hortilux 250 Watt enhanced blue spectrum super HPS bulb
- ET18 bulb with nickel plated mogul base and ceramic insulator
- Operates on S50 250W HPS ballast
- Universal operating position
- Enhanced blue spectrum (produces 30,500 initial lumens for flowering, fruiting and vegetative growth); see spectral image below
- Premium lamp used in commercial greenhouses as supplemental lighting
- 1-year lamp warranty