Large size cans of Asda's own equivallent to R*d B*ll...
Normal price is 74p per can, but found this deal at the Plymouth store - shelf marked up as £1 for 3 cans.
Not sure if this is a local deal or national, but must be clearing stocks pretty fast at this price!
Also available on-line!!!
Note - The image is one of the smaller size cans...http://en.wikipedia.org/wiki/Blue_Charge