Mesh vent

 is a stash featured in S.T.A.L.K.E.R.: Lost Alpha. "This looks like a good place to stash something."

- PDA description

Overview

 * The only reliable way to obtain Supernova, a rare and powerful artifact.

Trivia
In versions before v1.4007, it used to be an entirely unremarkable stash containing Petrol can, Medkit, Bread and two Alkaline batteries.