Price:

Lumatek Electronic Ballast
Features include:
More lumen output per/watt producing 20-30% more light than standard magnetic core and coil ballasts.
"Soft Start" low Amp, low startup. Uses only half the power of standard ballasts.  No more blown timer contacts.
Reaches full brightness in approxiately 2 minutes (rather than 20 mins).
Completely silent, no fans no buzzing or vibrations.
Small, light, compact design that runs cooler.
Now available New "Super Lumen" switch, giving you an extra 10% output.
3 year instant replacement Warranty (Australia)