Sunmaster 400W Dual Spectrum Grow Light Lamp Bulb
Sunmaster 400w dual spectrum HPS Lamps are High Pressure Sodium lamps designed to deliver 10% more light than standard HPS lamps. This extremely energy-efficient plant grow lamp provides more energy which is essential for optimized photosynthetic response.
- Electronic ballast friendly
- 10% more light than a standard HPS lamp
- Red output for stem elongation and flowering
- Long life, economical
- Ideal companion for Metal Halide Conversion Lamps