LUMii BLACK Ballast Reflector LUMii Black Bulb 600w (Dual) Ballasts The new LUMii BLACK, available in 600w, has been redesigned forimproved quality and high output, and continues to boast a fully enclosed and potted case. As with all LUMii ballasts, you are able to get the true output that your plants need. Many ballasts on the market are underpowered to save money, but not LUMii! ✓ Metal Case ✓ Can be wall mounted or used horizontally or vertically (slotted hanging hook incorporated) ✓ Intelligent electronic timed ignitor ✓ Fitted with IEC connector cord and UK mains lead ✓ Will fire your lamp up to 15m from your ballast ✓ 12 month guarantee from date of purchase Bulbs 600w The LUMii 600w lamp gives an output of 150 lumens per watt (90000 lumens). The crystal glass used offers consistent thickness which allows a more even light output. There is raised blue levels in the spectrum output. The design of the lamp has avoided the use of barium film which means no blackening of the glass and less gas impurities in the lamp. It also allows for a cleaner more stable light output. The E40 mechanical double layer base design eliminates soldering and paste and delivers a 100% inline base.