Respirator, A. G., Light, Mark 7/2 - It is unclear why late-production L Mk. 6 & 7 Respirators were given the /2 stamp to suggest a change to the design or kit.
Half Face Mask Respirator with Filters - Elipse, GVS – X1 Safety
Graphic flat design drawing firefighter protective helmet and gas respirator. Firefighting equipment, mask with glasses and air filters. Protection ag Stock Photo - Alamy