InterLux Metal Halide 600W Lamp grow-light-reflectors this inline filter allows for

this inline filter allows for strategic placement anywhere along your ducting system—not just inside the grow room

and S4 models contain one fan

3 SEER2 / 11 EER2 efficiency

Customer Support: With extensive hands-on experience in cultivating a wide variety of plants using these lights

InterLux Metal Halide 600W Lamp grow-light-reflectors this inline filter allows forDescription 600W MH HIGH OUTPUT InterLux LIGHT BULB Metal Halide bulbs produce a blue spectrum light that is used during the vegetative stage of growth. Giving your plants the right light for each growing stage makes them strong.. Tested and developed to work perfectly with magnetic ballasts. High lumen output and a wide color spectrum for maximum yield. Standard E39 Base. 1 year warranty. 600w Metal halide bulb Designed for indoor use Light spectrum