Airborne contaminants

Gas mask

Respiratory protection

Respirator mask

Hazardous conditions

Protective gear

Safety gear

Protective equipment

Face mask

Air pollution

Hooded figure

Protective clothing

Protection gear

Hazardous environment

Toxic fumes

Polluted atmosphere

Safety equipment

Polluted environment

Chemical hazard

Pollution protection

Mysterious figure

Suspenseful atmosphere

Toxic world

Health risk

Man with respirator

Response equipment