Has anybody seen a definition of what “improved” means? I can’t remember if I have or not it is so long ago!
I think “improved” means more efficient, so more light gets through giving you a better than a 45/40 intensity improvement.
Has anybody seen a definition of what “improved” means? I can’t remember if I have or not it is so long ago!
I think “improved” means more efficient, so more light gets through giving you a better than a 45/40 intensity improvement.