Gas Fume is a Plasmid with the Ability to Blind your Enemies and Trap them in a Ball of Gas for 10 seconds. Get it From Fully Researching Gasmen Splicers.
Gas Fume 2 Has the Ability to Make a Tornado Around your Enemies and Swirls them Around Damaging Enemies, Makes them Dizzy and Blinds Them. Costs 260 ADAM. Available In Rapture Sewer Complex.