GROWBRIGHT 400 watt HPS High-Pressure Sodium
This is a premium high output bulb for sale and an unbelievably low price. This 400-watt High Output HPS bulb emits 55,000 lumens – standard HPS bulbs which emit only 50,000 lumens. Perfect for 400-watt HPS grow light systems. This bulb gives you a higher light output which equates into more plant growth and ultimately higher plant yields. Fits all standard 400-watt HPS systems.
- 55,000 Lumens
- Designed specifically for plant growth – Brighter than Standard HPS lamps
- Increased Violet and Blue Lighting Spectrum Engineered to Enhance Natural Plant Growth
- Creates a More Correct Balance of Red and Blue/Violet Energy for Increased Photosynthesis
- High Output and Adjusted Spectrum Delivers Superior Performance