Genuine Russian pilots equipment oxygene mask KM-32 with occipital bladder. New, unused military surplus item from RF. Full kit, comes in in factory box. Usually used in combination with flying helmets ZSH-3M and SHL-82, PO-1 goggles and LA-5 laringophone (throat mic). Made in Russian federation.
Used in Aircrafts MIG-17, MIG-21, LIM-1, LIM-2 and others.