GAVITA PRO 1000E DE 208 - 240 SL $ 345 bulk pricing as low as $250
really the only choice. NANOLUX IS AWESOME TOO
GALAXY COMMERCIAL 1000 W BALLAST 120/208/240 $145
solid ballast from a WASHINGTON company with 2 yr wrnty.
SUN SYSTEM FLOWER POWER LEC #906298 120/240 PAR PRO 315 4200K BULB SYSTEM PRICE $192.10
excellent veg light. excellent veg. fast groth. dark green like a t5. also used for supplemental for more crystal development in bloom. lec lighting is less of a shock for plants over mh when moving plants to a room with GAVITAS