gas mask
mask protecting from toxic molecules and particles
escape respirator
emergency breathing device
M1 gas mask
Gas mask model
PH helmet
British gas mask
Hypo helmet
gas mask headgear used in World War I
General Service Respirator
military gas mask
horse gas mask
mask that protects horses from airborne pollutants and toxic gases
S10 NBC Respirator
the British armed forces' former breathing apparatus
small box respirator
British gas mask
Black Veil Respirator
British gas mask