While there is an official 12 year old named expression, much of Blair Athol's whisky ends up in blends such as Bell's. This makes a named expression something that is typically reserved to independent bottlings.
Blair Athol's distillery characteristics result in a nutty whisky with notes of baked meats and rich grains. It takes sherry maturation well, although is commonly matured in bourbon casks - reflecting the fact that much of Blair Athol's whisky ends up in blends