IceCap Model 175-MH Electronic Ballast, for the most efficient, highest output 175-watt MH option available, there is no other choice. Soft starts and high frequency operation prolongs bulb life. Ballast runs cool and quiet. Comes with an 8 foot detachable harness.

IceCap Model 250-MH Electronic Ballast. Drives most imported aquarium screw-in MH bulbs and Ushio double ended HQI bulbs. Soft starts and high frequency operation prolongs bulb life. Ballast runs cool and quiet. Comes with an 8 foot detachable harness. Does not run Iwasaki bulbs.

IceCap Model 250-MH-HQI Electronic Ballast. Drives any MH bulb. Soft starts and high frequency operation prolongs bulb life. Comes with restart. Ballast runs cool and quiet.

IceCap Model 250-MHI which is designed specifically for the Iwasaki 6.5K 250-watt screw-in MH bulb. The ballast runs cool and quiet. High frequency operation prolongs bulb life. Comes with an 8 foot detachable harness

IceCap Model 400-MH Electronic Ballast, for the most efficient, highest output 400-watt MH option available, there is no other choice. Ballast runs cool and quiet. Comes with an 8 foot detachable harness

IceCap's VHO Model 430 electronic fluorescent ballast. From the company that transformed VHO lighting from heavy, hot, noisy, lamp destroying beasts to a 1 1/2 lb., cool running, silent, high frequency devise that extends lamp life while using 1/3 less electricity. The professional's choice in VHO. Each ballast lights up to 12 lamp feet (1 - 4 lamps) or up to two 96-watt PC lamps. Also lights NO lamps at over 2 X normal output. Three year warranty, repairable, made in the USA with a detachable six-foot harness.