hello friends, please could you tell me the shelf life of the p30 kit 2x1 liter (all liquid bottle) sigillated the package, in the package is not indicated the expiry date. and the seller (at 400 kilometer for my home should sell me for a very very good price)

he purchase the package 2 years and half ago always kept in your shop.

help! the risk percentage that it goes bad?


thanks