I found this little 25W appliance lamp in an old refrigerator at the recycling centre and since it was in excellent shape I saved it. Even the etch is intact!
Some fridges have one, others have two. The most I've seen is two lamps in the fridge part and one in the freezer part, mine is like that. I probably have like 60 of those lamps now, both in clear and frosted.
Most are 40W. I've seen ONE pic of a 60W on L-G and I found a couple of 25W ones before. I even found a 10W, S10 GE lamp in a 1960s fridge two or three years ago! Sadly this bulb has burned out since then...
My fridges both have 15w Sylvania clears in them which I prefer to frosted ones but recently one burnt out and I can't find any 15w clear lamps anymore.