These high quality 4 ft. T5 HO lamps are excellent for all indoor gardening applications and plant propagation. Use the color/spectrum of your choice for the growth phase of your plants. Mix and match bulb types for full spectrum effect.
-Brightness: 4,000 Lumens
-Energy used: 54-Watt
-Blue cool spectrum is perfect for propagation or plants in a vegetative state
-For use with a T5 high output fixture