From 1960s to 1970s specs: the classic halophosphate F40T12/CW is 18,000 hr life
output 3200new/2688@12.6khrs
4100K CCT and 62CRI

The legal loophole version from 2000:
F40T12/SPEC41 741 @ 70CRI (barely above EPACT 1992 69+ requirements)
20,000 hour life, 3200new/2880@9khrs 

The "premium" F40T12/ADV841 841 4100K @ 85 CRI
24,000 hours 3600new /3250@10khrs lumens