Dust Mask: where to find it

RoomContainers
Any roomBox
Any roomBox
Any roomOutfit_Sanitation
Any roomShelves
AtticBox
AtticCrate
Atticother
Bag Trash Bagjunk
Bat FactoryShelves
BathroomLocker
BedroomBox
BedroomCrate
Break roomLocker
Cabinet Factoryother
Cabinet FactoryShelves
Cabinet shippingother
CarpenterCabinet
CarpenterDrawer
ChangeroomLocker
ClassroomShelves
ClosetCrate
ClosetLocker
Closetother
Dog Food FactoryCupboard
Drug labCabinet
Drug labCupboard
Drug shackOven
Elementary classroomCabinet
Elementary classroomShelves
FactoryCupboard
Factory storageLocker
Floristother
Garage storageCrate
Garage storageCupboard
Garage storageLocker
Garage storageother
Garage storageShelves
Golf factoryShelves
GreenhouseCupboard
Hallother
Jewelry storageDesk
Jewelry StoreCupboard
Knife FactoryTool Cabinet
LaboratoryDesk
Laboratoryother
LaundryLocker
Living roomLocker
Living roomother
Logging warehouseother
Mannequin factoryCupboard
Mannequin factoryother
MechanicCupboard
MechanicLocker
MechanicShelves
Metal fabricationCupboard
Metal fabricationTool Cabinet
Metal ShopCupboard
Metal ShopTool Cabinet
MetalfabricationstorageTool Cabinet
Produce WarehouseCupboard
Ranger garageother
Safehouse LootBox
Safehouse LootBox
Safehouse LootCabinet
Safehouse LootCrate
Safehouse LootDrawer
Safehouse LootGarbage
Safehouse Loot LateBox
Safehouse Loot LateBox
Safehouse Loot LateCabinet
Safehouse Loot LateCrate
Safehouse Loot LateDrawer
Safehouse Loot LateGarbage
Safehouse Loot MidBox
Safehouse Loot MidBox
Safehouse Loot MidCabinet
Safehouse Loot MidCrate
Safehouse Loot MidDrawer
Safehouse Loot MidGarbage
Secondary classroomShelves
ShedCupboard
Shedother
ShedShelves
ShedShelves
Storageother
Storage Unitother
StudioShelves
Sunroomother
Tool StoreBox
Tool StoreCupboard
Tool Storeother
Tool StoreShelves
Tool store storageother
WarehouseBox
WarehouseShelves
Welding workshopLocker
Welding workshopTool Cabinet
Wire FactoryShelves
Wire FactoryTool Cabinet
Woodcraft setCupboard
Woodcraft setShelves
Bag_Skill_Maintenance_DuffelBag
BanditBag
BanditBag_Early
BanditBag_Late
BanditBag_Mid
BanditItems
BinJunk
ClosetJunk
Toolbox