Original Russian Pilot Oxygen Mask KM-32 for Flight Helmets Soviet Air Force

Original Russian pilots equipment oxygene mask KM-32 with occipital bladder, unused military surplus item in exellent condition, Full kit, comes in paper and factory box with manual ,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,