The Hortilux is our best 400 watt HPS bulb for spectral and lumen output. Strong yellow-orange-red HPS light for fruiting and flowering is supplemented with an increase in the blue spectrum for healthy, compact vegetative growth. Use in 400 watt sodium systems only. Can be used in base-up or horizontal position and emits 55,000 lumens.
Eye Hortilux 400W Super HPS Technical Sheet
How to read Eye Hortilux Date Codes