JUST REDUCED! Rare MINI- Ultra sleek and light weight, the MINI is much smaller and lighter than the standard Quantum Series ballasts. They have been tested and work fine. Push button dimmer control. 120/240v HPS/MH. Sale is for (1) ballast. Power cord included! Your choice of 120v or 240v power cord. Free Shipping.  Free pick-up in Los Angeles California too. COLLECTORS ITEM!  Retail Price $320 GUARANTEED TO WORK