Inside A Panasonic EFD27LE CFL

[markdi]

put a new bulb in it

make it work for another 20 years

[dieseljeep]

Originally Posted by markdi

put a new bulb in it

make it work for another 20 years

When they're turned on and left on, they'll last for many years.
I have three, that are left on continuousy, for around eight years. The last time they were off was the last power failure.
These are the inexpensive brand on sale at Aldi's.