Ice Cap Ballasts are the coolest ballasts available using 40% less electricity and burning 40% brighter. Their unique circuitry prevents premature lamp burn out and fading associated with VHO lamps. You can run VHO, HO, and STD lamps in any combination. In summary, the Icecap 660 is a versatile and powerful ballast. IceCap Model 660 is the most versatile and powerful ballast.

Specific features include:
Unsurpassed Versatility - A Model 660 can operate up to 16 lamp feet with a total of 464 rated lamp watts.
Individual lamps can be 2 through 6 feet each. This corresponds to 12 different lamp configurations. Maximum light output with VHO and HO lamps.
Cold temperature starts to -40 degrees Celsius.