Quest begins at a Field Supply Locker after completing Supplies for the Miners at /way -21, -3237. /way -7 -1587 Airfilter1; /way -185 -1613 Airfilter2; /way -277 -1647 Airfilter3; /way -502 -1600 Airfilter4; Once you have done this, return to Foreman Chivos. Next: Salvage or Die Tip: While on this quest, stop at /waypoint -201 -1632 SFOR Carbine and get Sfor Republic Carbine for Rare Carbine Weapons Mark II collection.