Blox
Blox is a germ killing product first featured in Grand Theft Auto: Vice City on the radio. It is heard on Flash FM. It is never really seen anywhere except in Grand Theft Auto: Vice City Stories, wherein you can see it in grocery stores like FIDL. It can also be seen in Cluckin' Bell restaurants in GTA IV. The name "blox" is a parody of the company Clorox.