Refrigerate - 4 C or the freezer? (Aug/11/2008 )

An antibody came and there's no specified description, if it's for 4C or -20C. It's just written "refrigerate" there. The antibody's from US. I assumed it's 4C, but I'd like to be sure...

Refrigerate means 4°C (i.e. the temperature of a refrigerator). They'd use the word freeze for temperatures below zero (which require a freezer), and would probably specify -20°C or -80°C.

freeze (-20) or in some cases it could also say "deep freeze" (-80)

Thanks
It should stay in 4C until I put glycerol or azide in it, according to company specifications. Now it's still sterile, so I shouldn't care