A canister of Perin B3 gas
Perin B3
General Characteristics
In-game code



Chemical weapon



Call of Pripyat

Related mission: Bloodsucker Lair


A canister of Perin B3 gas is a mission item featured in S.T.A.L.K.E.R.: Call of Pripyat.


The Perin B3 is a nerve gas that was supposed to be tested in the Zone. The convoy carrying it however crashed on the Preobrazhensky Bridge and was left behind.

The Perin B3 is featured in the Bloodsucker Lair mission, where the player must use it to gas the Bloodsucker Lair underneath the Krug Antenna Complex. It is found in in Zaton, on the Preobrazhensky Bridge in a locked container. The gas can be accessed as soon as the game begins, although its location is only given by Owl for 2000RU. Two keys are required to unlock the container, both of which can be found in lockers in the crashed UAZ-469 wrecks.

The Perin B3 weighs a heavy 10kg. Strangely, unlike most mission items, this one can be dropped at any time.this may be because the canister can obtained at any time by the player regardless of mission status.

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