All Hamilton Cebu Sun Systems come with everything you'll need to use them right out of the box. They include all bulbs in either 175, 250 or 400 watt, with your choice of 10K, 14K or 20K bulb coloration, electronic ballast(s), and the light fixture. All systems also include 4 - T5 Real Actinic Blue 420nm HO Fluorescent bulbs. Hamilton Cebu Sun Systems are an outstanding choice for Corals, Fish, Anemones and Invertebrates. We offer free shipping on all Hamilton Cebu Sun Systems. Should you have any questions about which unit is right for you, please contact us.