A few years ago the place where I work had an expansion, as such things go with governments and such, metric 46 inch fixtures were put in half the facility. Rumor has it that we may not be able to get tubes for these or they may be going up in price. Does anyone know if there is a retrofit kit to go to perhaps a 36 inch. We can't go to a 48 inch fixture very easy due to the fact that we have T bar ceiling to the metric size. It would be a night mare to change all the T bar.